---
product_id: 559052811
title: "QuietComfort Ultra Bluetooth Earbuds, Wireless Earbuds with Spatial Audio and World-Class Active Noise Cancellation, Deep Bass, Up to 6 Hours of Playtime, Black"
brand: "bose"
price: "Bs.6055"
currency: BOB
in_stock: true
reviews_count: 8
url: https://www.desertcart.bo/products/559052811-quietcomfort-ultra-bluetooth-earbuds-wireless-earbuds-with-spatial-audio-world
store_origin: BO
region: Bolivia
---

# 6 hrs playtime Bluetooth 5.3 multipoint World-class ANC QuietComfort Ultra Bluetooth Earbuds, Wireless Earbuds with Spatial Audio and World-Class Active Noise Cancellation, Deep Bass, Up to 6 Hours of Playtime, Black

**Brand:** bose
**Price:** Bs.6055
**Availability:** ✅ In Stock

## Summary

> 🔇 Silence the noise, amplify your focus — the ultimate earbuds for the modern multitasker.

## Quick Answers

- **What is this?** QuietComfort Ultra Bluetooth Earbuds, Wireless Earbuds with Spatial Audio and World-Class Active Noise Cancellation, Deep Bass, Up to 6 Hours of Playtime, Black by bose
- **How much does it cost?** Bs.6055 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.bo](https://www.desertcart.bo/products/559052811-quietcomfort-ultra-bluetooth-earbuds-wireless-earbuds-with-spatial-audio-world)

## Best For

- bose enthusiasts

## Why This Product

- Trusted bose brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **All-Day Comfort Fit:** Nine interchangeable eartips and stability bands ensure a secure, personalized fit for marathon listening sessions.
- • **Seamless Multipoint Connectivity:** Switch effortlessly between phone, laptop, and tablet without missing a beat thanks to advanced Bluetooth 5.3.
- • **Fast Charging & Long Battery Life:** Up to 6 hours of playback with ANC, plus a quick 20-minute charge delivers 2 extra hours to keep you going.
- • **Custom-Tailored Noise Cancellation:** Bose CustomTune tech adapts ANC to your unique ear shape for unmatched noise blocking in any environment.
- • **Immersive Spatial Audio Experience:** Feel your music come alive with breakthrough spatialized sound that places audio right in front of you.

## Overview

Bose QuietComfort Ultra Bluetooth Earbuds deliver industry-leading active noise cancellation with CustomTune technology, immersive spatial audio, and up to 6 hours of wireless playtime. Designed for professionals who demand premium sound, personalized comfort, and seamless device switching, these earbuds redefine focus and audio clarity in any environment.

## Description

Bose QuietComfort Ultra Earbuds are the ultimate wireless noise cancelling earbuds for a truly immersive listening experience. These high-quality wireless earbuds feature breakthrough spatialized audio for a deeper level of immersion that makes your music feel more real than ever before — no matter the content or source. Bose Immersive Audio pushes the boundary even further and takes what you’re hearing out of your head and places it in front of you for the most natural listening in a pair of spatial audio earbuds. And Bose CustomTune technology takes it to another level by analyzing your ear’s shape and adapting the sound and world-class noise cancellation so everything hits just as it should in your noise cancelling earphones. The comfort is shaped to you, too. With these Bose noise cancelling earbuds, you get nine combinations of eartips and stability band sizes to find the best fit. And up to 6 hours of playtime keeps your faves playing as long as you want to listen (up to 4 hours with Immersive Audio). Plus, the charging case (not included) holds up to three additional charges and a quick 20-minute charge gives you up to 2 hours of additional play time. These bluetooth wireless earbuds also feature advanced Bluetooth 5.3 so you can listen to your favorite tracks up to 30 feet away. Keep track of everything paired to the bluetooth earbuds using the Bose Music app which can also walk you through setup, lets you customize a shortcut, check battery levels, and access Adjustable EQ settings. Feel your music more with Bose QuietComfort Ultra Wireless Earbuds.

Review: I don't work in an office. - I don't work in a peaceful environment with timid people, who are respectful of each other and know how to shut up. No. I work in a warehouse. Not a good warehouse. A small warehouse. With 30 people in a single room. People who literally SCREAM along with the music playing over the speakers. People who think being the most annoying person possible is funny. What's worse. It's 10 hour shifts. I've had enough. I decided, time for noise canceling headphones!! This review is for someone in the same position as me. That NEEDS, DESPERATELY, some way to shut down the noise around them. After much debate, I decided between two choices. The Jlab Epic Lab True Edition (200 USD) and the new Bose Quiet Comfort Ultra headphones. (250 USD) I went with these two because 1) I was very interested how jlabs new signature headphones would compare to the 20$ version they offer. I wondered how much better it could be for 200$, also I was interested in the Knowles corporation equalizer preset. Big audio company. 2) Bose is the leader of ANC headphones. I've never had a pair so I had to see what the fuss was about. I got both of these on desertcart knowing I can return the worst pair within 30 days. After using these, I want to apologize to my past self for not doing this sooner. I have broken them in over the past week at work, and it's the only time I have been there I haven't wanted to walk out within hours or gotten crazy depressed. I realized. I actually like my job. Let's start with jlab I'm going to get this out of the way. If you relate to my situation at all. These are not the headphones for you. IF you have a good life. A good job. One without people literally screaming in your ear 10 hours. Please get these. The audio quality on these are amazing. I was shocked. I honestly teared up when putting my favorite song on for first time. I heard parts of that song I have NEVER heard. You will experience this. The Knowles setting is life changing. These are a daily driver for sure. I am impressed. Comfortable and very water resistant. The active noise canceling is actually pretty good. I could barely hear my husband with music on. But my situation....multiple...people...yelling, in union, to Taylor swift. The jlabs can not handle it lol. It does get muffled...a bit. Which honestly, is loads better than just white knuckling it. But if you are looking for strictly ANC, don't get these at 200$. Are they worth 200$ on sound quality alone. Gods yes. Are they worth that...to ME. Ehh.. Bose. Honestly I was not expecting to like these as much. I heard a lot of things about loss of connectivity plus not being water resistant. In my warehouse. I do get water on my hands sometimes so I did not have high hopes. But let me tell you. The second I put these on at work, before the music played it did the ANC switch and I was the happiest I have been in months. It instantly took out the warehouse music, the machines, the fans, the background noises and 80% of the talking. I felt like I could breathe for once. The overstimulation gone like *snaps*. Then the music started playing. I was watching my coworkers mouths and I broke out in a huge grin that lasted minutes. I could see them talk, but hear them talk I could not. This is the first week in months where I didn't get depressed after about 30 minutes of that. So the ANC is legendary. The sound...is not. I keep looking at my jlabs like... ??? How do they sound so much better?! I think the bose default settings out of box is just too treble heavy. I used the app to set mine +9, +4, -2. That is the closest I can get it to sound like jlabs but they still don't. Why?! I don't know why. They still do sound good. Like a 8/10. That plus not hearing my coworkers discuss if lobsters have souls, makes this purchase on sale at $250 a steal for me. I'm going to be returning the Jlabs and looking for a future sale. I would like to have them in my collection for when I just need some good headbanging. Both headphones are great, but get the one you need for the life you live. Take care!
Review: My New Favorite Earbuds - I purchased the Bose Quiet Comfort Ultra earbuds in the Moonstone Blue color to replace/be a backup to my Samsung Buds 2 Pro earbuds. Like all flagship earbuds/headphones, they ARE expensive, but you have to pay for quality - and if you can get them at a discount, don't hesitate to snag them immediately. THE BOSE APP: The same Bose app works for all of your Bose Bluetooth sound devices. For example, the Bose SoundMax Speaker. The app is necessary to access certain functions/features. For example, these features require the app: The simplistic Equalizer settings, renaming the device (helpful if you have more than 1 connected Bose device, changing/adding Modes (Quiet, Aware, Home, Exercising, etc), testing earbud fit, change the order of cycling between Modes, Turning voice Prompts on/off, and configuring what the long press on each ear does. The app works and is free, though the equalizer is simplistic with only Bass, Mid and Treble plus and minus. I've set mine to -3, +3, -1. Once any setting is changed via the app, the earbuds "remember" the settings and uses them on all devices to which they connect. NOISE CANCELLATION: Bose was correct to make the first word of the product name "Quiet". I have never experienced such complete noise cancellation. At maximum, and without music playing (also possible), it's not unlike what it must be to suffer near-total hearing loss. Any sound you hear is muffled and has an oddly mechanic tone. By far the noise cancellation is the best I've ever experienced. Out of the box the earbuds come with 3 uneditable modes, 2 of which are "Quiet" & "Aware." Quiet is Max noise cancellation and Aware is minimum and, in fact, slightly amplifies sound around you to compensate for having something blocking your ear canal. I was surprised how natural ambient sound is with the "Aware" mode. At the other end of the scale, I'd say that maximum is for when you don't want to hear ANYthing/one around you if you're using a jackhammer to break up your backyard sidewalk. If you're listening to music you won't hear anyone talking to you, possibly even if they are right next to you. SOUND: The sound is classic Bose. By this I mean a little heavy-handed with the bass with clear highs. The mid-range is OK. I knew this going in and compensate for most of this using the Bose app equalizer. Sound can get painfully loud without distortion and bass can be made to make you feel like it's going through your head (if you're into that sort of sensation), all without muddying the sound. BATTERY: I have found that the 6 hour expected battery life with ANC (Active Noise Cancellation) is accurate for the "Quiet" mode of maximum cancellation. I have discovered that you will get more than that if you don't set the noise cancellation to maximum. So only set it to the minimum that you need. In the Bose app and in the voice prompts, battery life is only reported in increments of 10 (10%, 20%, 30%...90%, 100%). FIT: I have unusually sized/irregularly shaped ears and ear canals that has led to so much frustration over the years. What works for one ear will not work for the other. For example, with other manufacturers, I've struggled to get a good fit (both with my senses and the manufacturer's software fitment tests) - even if I buy after-market tips. Bose is the only company for which I can get a fit that is both comfortable (doesn't lead to pain) and doesn't eventually fall out. This is because of their use of fitment bands that go around the middle of earbud in 3 sizes, combined with 3 sizes of tips. FEATURES: Other than the Quiet and Aware modes that cannot be modified in the level of ANC, the level of ANC can be changed to any of about 10 steps of cancellation for any Mode that you add to the list in the Bose app. This is helpful so that you can save battery by only using the amount of ANC you need for your environment. Using the app you can not only add and remove modes to choose from, but using the star/favorite icon in the Bose app you can set which ones are included in the list to cycle between. For new Modes you add to the list - and ONLY those - you can set a custom level of noise cancellation at any one of about 10 steps between off and Full, important to saving battery (see above). I did not play with the Immersion feature as I've never found that battery-hogging feature interesting to me. Oh, it works and it's freaky to play with, but at the end of the day it's a gimmick created by someone with WAY too much software development time on her hands. There is no detection of me talking that automatically switches the buds to "Aware" mode, but this mode is automatically engaged when taking a phone call or when only 1 earbud is inserted. Phone calls are clear and natural sounding both for me and the other person. Multipoint Bluetooth connection can be turned on in the Bose App and works as expected, allowing you to simultaneously connect to more than 1 audio source (first come, first served). Range for Bluetooth is great (as expected). Easily reaches me in the when I go to the ground floor to use the restroom from the basement where I work from home and leave my phone. Even at that range (about 50-70 feet as you walk and about 20 straight line feet traveling through the floor to the restroom). There is no skipping or sound quality degradation. I HIGHLY recommend these earbuds, as they are my new favorites.

## Features

- SPATIAL AUDIO EARBUDS: Tap into a deeply immersive listening experience that places the audio directly in front of you and makes your music feel more real than ever before
- NOISE CANCELLING EARBUDS: CustomTune technology analyzes each ear and adapts sound so the active noise cancellation offer a premium listening experience that’s custom tailored just for you
- COMFORTABLE EARBUDS: Swap between nine soft eartips and stability bands to find the perfect fit that feels snug and comfortable for those extra-long listening sessions
- 3 LISTENING MODES: Focus with world-class noise cancellation in Quiet Mode, hear your surroundings in Aware Mode, and engage in full noise cancellation and Bose Immersive Audio using Immersion Mode
- LONG-LASTING BATTERY: These Bluetooth noise cancelling earbuds give you up to 6 hours of listening time (up to 4 with Immersive Audio), and a 20-minute charge gives you up to 2 hours of additional play time
- MULTIPOINT BLUETOOTH EARBUDS: Bluetooth multipoint offers seamless, uninterrupted listening. Switch between your phone, your laptop, and other devices with ease — all without missing a moment
- EARBUDS WITH MICROPHONE: Noise-rejecting microphones filter out background noise for clearer calls and the intuitive touch controls let you easily change the volume, skip songs, switch modes, and answer calls
- LISTEN WITH ONE EARBUD: Answer calls or play your favorite music through both or a single earbud, whatever works best for you.
- FIND YOUR FIT: Experiment with different eartip and stability band sizes to find your optimal fit, providing a gentle seal and a comfortable, stable experience. Eartip and stability bands can be mixed and matched. XS and XL eartips and stability bands are available and sold separately
- BOSE APP: Download the Bose app to receive the latest software updates. Ensure optimal functionality and get access to all the latest features and cutting-edge tech.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CD2FSRDD |
| Additional Features | Noise Cancellation |
| Age Range Description | Adult |
| Antenna Location | Calling, Exercising, Running |
| Audio Driver Type | Hybrid Driver |
| Battery Average Life | 6 Hours |
| Battery Charge Time | 2 Hours |
| Best Sellers Rank | #4,780 in Electronics ( See Top 100 in Electronics ) #397 in Earbud & In-Ear Headphones |
| Bluetooth Range | 10 Meters |
| Bluetooth Version | 5.3 |
| Brand | Bose |
| Brand Name | Bose |
| Built-In Media | 2 Bose QuietComfort Ultra Earbuds, 3 pairs of eartips (S, M, L), 3 pairs of stability bands (1, 2, 3), Bose Fit Kit:, Charging case, Safety sheet, USB-C (A to C) cable (12") |
| Cable Features | Without Cable |
| Carrying Case Battery Average Life | 12 Hours |
| Carrying Case Battery Charging Time | 2 Hours |
| Carrying Case Color | Black |
| Carrying Case Material | Plastic |
| Carrying Case Weight | 15.42 Grams |
| Color | Black |
| Compatible Devices | Cellphones, Desktops, Laptops, Smart Watch, Tablets |
| Connectivity Technology | Wireless |
| Control Method | Touch |
| Control Type | App Control |
| Controller Type | Bose App |
| Customer Package Type | Rigid or Semi-Rigid Case |
| Customer Reviews | 3.8 out of 5 stars 9,574 Reviews |
| Ear Placement | In Ear |
| Earpiece Shape | Rounded |
| Enclosure Material | Plastic |
| External Testing Certification | Não aplicável |
| Form Factor | In Ear |
| Frequency Range | 20 Hz - 20,000 Hz |
| Frequency Response | 20000 Hz |
| Headphone Folding Features | In Ear |
| Headphone Jack | No jack |
| Headphones Ear Placement | In Ear |
| Impedance | 32 Ohms |
| Is Autographed | No |
| Is Electric | Yes |
| Item Weight | 20 Grams |
| Manufacturer | Bose |
| Model Name | Bose QuietComfort Ultra Wireless Noise Cancelling Earbuds, Bluetooth Noise Cancelling Earbuds with Spatial Audio and World-Class Noise Cancellation, Black |
| Model Number | 882826-0010 |
| Noise Control | Active Noise Cancellation |
| Number of Items | 1 |
| Sensitivity | 75 dB |
| Series Number | 10 |
| Specific Uses For Product | School, Travel |
| Style Name | Modern/Minimalist |
| Subject Character | no subject character |
| Theme | Audio Technology |
| Total USB 2.0 Ports | 4 |
| UPC | 017817847681 |
| Unit Count | 1.0 Count |
| Warranty Description | 1 year manufacturer |
| Water Resistance Level | Water Resistant |
| Wireless Technology | Bluetooth |

## Product Details

- **Brand:** Bose
- **Color:** Black
- **Ear Placement:** In Ear
- **Form Factor:** In Ear
- **Impedance:** 32 Ohms

## Images

![QuietComfort Ultra Bluetooth Earbuds, Wireless Earbuds with Spatial Audio and World-Class Active Noise Cancellation, Deep Bass, Up to 6 Hours of Playtime, Black - Image 1](https://m.media-amazon.com/images/I/51Y-9iLkCCL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: How do I setup my QuietComfort Ultra Earbuds?**
A: Download and install the free Bose app from your mobile device's app store. The Bose app lets you set up and control your product from any mobile device, such as a smartphone or tablet.

**Q: How do I connect my QuietComfort Ultra Earbuds to my Bluetooth device?**
A: 1. Ensure Bluetooth is enabled on your device 2. With the case open, and both earbuds inside, press and hold on the button on the back of the case until the light slowly blinks blue 3. Select the earbuds from the list of available devices

**Q: How do I update the firmware/software of my QuietComfort Ultra Earbuds?**
A: Updating the earbuds: When an update is available, the Bose app automatically downloads it. Tap Install Update. Updating the case: Go to btu.bose.com and connect with the USB-C cable.

**Q: How do I reset my earbuds?**
A: Open the Bose app and tap on the "Account" icon in the upper-right corner. Select "Manage Products" > "Edit." Select the Bose earbuds > "Delete." Tap "Remove" & Close the app. Remove from Bluetooth list on your device.

**Q: How do I clear the Bluetooth pairing list?**
A: Press and hold the button on the back of the case for 15 seconds with the earbuds inside and case lid open. Wait until the status light blinks white twice and then slowly blinks blue. Then delete the earbuds from Bluetooth list on your device.

## Customer Reviews

### ⭐⭐⭐⭐⭐ I don't work in an office.
*by J***E on February 17, 2024*

I don't work in a peaceful environment with timid people, who are respectful of each other and know how to shut up. No. I work in a warehouse. Not a good warehouse. A small warehouse. With 30 people in a single room. People who literally SCREAM along with the music playing over the speakers. People who think being the most annoying person possible is funny. What's worse. It's 10 hour shifts. I've had enough. I decided, time for noise canceling headphones!! This review is for someone in the same position as me. That NEEDS, DESPERATELY, some way to shut down the noise around them. After much debate, I decided between two choices. The Jlab Epic Lab True Edition (200 USD) and the new Bose Quiet Comfort Ultra headphones. (250 USD) I went with these two because 1) I was very interested how jlabs new signature headphones would compare to the 20$ version they offer. I wondered how much better it could be for 200$, also I was interested in the Knowles corporation equalizer preset. Big audio company. 2) Bose is the leader of ANC headphones. I've never had a pair so I had to see what the fuss was about. I got both of these on Amazon knowing I can return the worst pair within 30 days. After using these, I want to apologize to my past self for not doing this sooner. I have broken them in over the past week at work, and it's the only time I have been there I haven't wanted to walk out within hours or gotten crazy depressed. I realized. I actually like my job. Let's start with jlab I'm going to get this out of the way. If you relate to my situation at all. These are not the headphones for you. IF you have a good life. A good job. One without people literally screaming in your ear 10 hours. Please get these. The audio quality on these are amazing. I was shocked. I honestly teared up when putting my favorite song on for first time. I heard parts of that song I have NEVER heard. You will experience this. The Knowles setting is life changing. These are a daily driver for sure. I am impressed. Comfortable and very water resistant. The active noise canceling is actually pretty good. I could barely hear my husband with music on. But my situation....multiple...people...yelling, in union, to Taylor swift. The jlabs can not handle it lol. It does get muffled...a bit. Which honestly, is loads better than just white knuckling it. But if you are looking for strictly ANC, don't get these at 200$. Are they worth 200$ on sound quality alone. Gods yes. Are they worth that...to ME. Ehh.. Bose. Honestly I was not expecting to like these as much. I heard a lot of things about loss of connectivity plus not being water resistant. In my warehouse. I do get water on my hands sometimes so I did not have high hopes. But let me tell you. The second I put these on at work, before the music played it did the ANC switch and I was the happiest I have been in months. It instantly took out the warehouse music, the machines, the fans, the background noises and 80% of the talking. I felt like I could breathe for once. The overstimulation gone like *snaps*. Then the music started playing. I was watching my coworkers mouths and I broke out in a huge grin that lasted minutes. I could see them talk, but hear them talk I could not. This is the first week in months where I didn't get depressed after about 30 minutes of that. So the ANC is legendary. The sound...is not. I keep looking at my jlabs like... ??? How do they sound so much better?! I think the bose default settings out of box is just too treble heavy. I used the app to set mine +9, +4, -2. That is the closest I can get it to sound like jlabs but they still don't. Why?! I don't know why. They still do sound good. Like a 8/10. That plus not hearing my coworkers discuss if lobsters have souls, makes this purchase on sale at $250 a steal for me. I'm going to be returning the Jlabs and looking for a future sale. I would like to have them in my collection for when I just need some good headbanging. Both headphones are great, but get the one you need for the life you live. Take care!

### ⭐⭐⭐⭐⭐ My New Favorite Earbuds
*by T***K on March 9, 2025*

I purchased the Bose Quiet Comfort Ultra earbuds in the Moonstone Blue color to replace/be a backup to my Samsung Buds 2 Pro earbuds. Like all flagship earbuds/headphones, they ARE expensive, but you have to pay for quality - and if you can get them at a discount, don't hesitate to snag them immediately. THE BOSE APP: The same Bose app works for all of your Bose Bluetooth sound devices. For example, the Bose SoundMax Speaker. The app is necessary to access certain functions/features. For example, these features require the app: The simplistic Equalizer settings, renaming the device (helpful if you have more than 1 connected Bose device, changing/adding Modes (Quiet, Aware, Home, Exercising, etc), testing earbud fit, change the order of cycling between Modes, Turning voice Prompts on/off, and configuring what the long press on each ear does. The app works and is free, though the equalizer is simplistic with only Bass, Mid and Treble plus and minus. I've set mine to -3, +3, -1. Once any setting is changed via the app, the earbuds "remember" the settings and uses them on all devices to which they connect. NOISE CANCELLATION: Bose was correct to make the first word of the product name "Quiet". I have never experienced such complete noise cancellation. At maximum, and without music playing (also possible), it's not unlike what it must be to suffer near-total hearing loss. Any sound you hear is muffled and has an oddly mechanic tone. By far the noise cancellation is the best I've ever experienced. Out of the box the earbuds come with 3 uneditable modes, 2 of which are "Quiet" & "Aware." Quiet is Max noise cancellation and Aware is minimum and, in fact, slightly amplifies sound around you to compensate for having something blocking your ear canal. I was surprised how natural ambient sound is with the "Aware" mode. At the other end of the scale, I'd say that maximum is for when you don't want to hear ANYthing/one around you if you're using a jackhammer to break up your backyard sidewalk. If you're listening to music you won't hear anyone talking to you, possibly even if they are right next to you. SOUND: The sound is classic Bose. By this I mean a little heavy-handed with the bass with clear highs. The mid-range is OK. I knew this going in and compensate for most of this using the Bose app equalizer. Sound can get painfully loud without distortion and bass can be made to make you feel like it's going through your head (if you're into that sort of sensation), all without muddying the sound. BATTERY: I have found that the 6 hour expected battery life with ANC (Active Noise Cancellation) is accurate for the "Quiet" mode of maximum cancellation. I have discovered that you will get more than that if you don't set the noise cancellation to maximum. So only set it to the minimum that you need. In the Bose app and in the voice prompts, battery life is only reported in increments of 10 (10%, 20%, 30%...90%, 100%). FIT: I have unusually sized/irregularly shaped ears and ear canals that has led to so much frustration over the years. What works for one ear will not work for the other. For example, with other manufacturers, I've struggled to get a good fit (both with my senses and the manufacturer's software fitment tests) - even if I buy after-market tips. Bose is the only company for which I can get a fit that is both comfortable (doesn't lead to pain) and doesn't eventually fall out. This is because of their use of fitment bands that go around the middle of earbud in 3 sizes, combined with 3 sizes of tips. FEATURES: Other than the Quiet and Aware modes that cannot be modified in the level of ANC, the level of ANC can be changed to any of about 10 steps of cancellation for any Mode that you add to the list in the Bose app. This is helpful so that you can save battery by only using the amount of ANC you need for your environment. Using the app you can not only add and remove modes to choose from, but using the star/favorite icon in the Bose app you can set which ones are included in the list to cycle between. For new Modes you add to the list - and ONLY those - you can set a custom level of noise cancellation at any one of about 10 steps between off and Full, important to saving battery (see above). I did not play with the Immersion feature as I've never found that battery-hogging feature interesting to me. Oh, it works and it's freaky to play with, but at the end of the day it's a gimmick created by someone with WAY too much software development time on her hands. There is no detection of me talking that automatically switches the buds to "Aware" mode, but this mode is automatically engaged when taking a phone call or when only 1 earbud is inserted. Phone calls are clear and natural sounding both for me and the other person. Multipoint Bluetooth connection can be turned on in the Bose App and works as expected, allowing you to simultaneously connect to more than 1 audio source (first come, first served). Range for Bluetooth is great (as expected). Easily reaches me in the when I go to the ground floor to use the restroom from the basement where I work from home and leave my phone. Even at that range (about 50-70 feet as you walk and about 20 straight line feet traveling through the floor to the restroom). There is no skipping or sound quality degradation. I HIGHLY recommend these earbuds, as they are my new favorites.

### ⭐ Very Dissapointed
*by R***. on January 25, 2024*

I was forced to buy new earbuds becuase I accidentally left my old BOSE QC earbuds in my pants pocket and washed them. They would eventually power up but would not connect etc. so I opted for the new BOSE Ultra QC earbuds. But, the only thing ultra about these earbuds is that the sound quality is slightly better the the regular QC's and for me is the only Pro in my evaluation. I'll preface this with I use my earbuds on multiple devices. iPhone, iPad and laptop. Let's start with what I hate about the case. 1. Its smaller then the regular QC's which is good for slipping them in your pocket. What I miss in this case is the indicator lights that show you the battery level of the case. The ultra case does not have this and haveing it is very helpful to me. 2. With the regualer QC case you can also toggle between devices with the small button inside the case. Although the ultra case has this button on the back, its pretty much useless and barely has any functions. Its almost wasted effort in designn and manfacturing for BOSE. 2.a With the button on the regular case you can press it once to see what device it is connected to. very simple and very useful. The ultra case does not do this. You have to open the BOSE app on your device to see where its connected AND you have to use the app to change devices. This may be my biggest issue. Its musch easier to just toggle the button on the case while the buds are in your ears to change evices. I don't want to have to get my phone out, open the app, wait for the app to connect , touch the earbud icon to see my choices and select what device I want. I simply want to toggle the button on the case. 3. Trying to withdraw the earbuds from the case is not easy. The only way I can get them out of the case is by tugging on the rubber ear piece. I'm sure over time they will tear apart. This seems to not been thought through by the designers. Now lets go with the earbuds. 1. They are small and I guess that's ok not much of an issue here except for the earpice options. While I have to use the largest option from the choice of 3; even the largest option isn't really big enough. It fits ok but not great. My regular QC's biggest option is larger and fits really good. I'm not sure why they didn't retain the same sizing options for the ultra. 2. While using, you have to luanch the app to see the battery life. With the regular QC's you simply touch the left bud to hear the battery level. Again, very simple and useful. 2.a Lets talk about battery life. While initially I just used my new ultras for conference calls and listening to videos while connected to my laptop and it all seemed good. Then one day, with a full charge, I went for a walk that lasted just over an hour. With about 10 minutes left on the walk I started getting low battery responses. I'm like, no way. I can't have this. I normally have several conference calls that last over an hour and I can't have these dying in the middle of a call. I also travel a lot by air and often have flights over 2 hours. So reason #1 why I returned them. 3. The sound quality is very comprable for both and while the ultra may be slightly better but not worth the extra $$. I'm a sound nut and not opposed to spending extra doe for better quality but not here. Especially with the other issues I have for this version. All in all, I'm very dissapointed in BOSE's effort with the Ultra's. I have a lot of bose items and this is the first time I've been dissapointed in their products. So much so I sent the ultras back and purchased the regular QC noise cancelling earbuds like I had before. Now I'm happy again.

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*Store origin: BO*
*Last updated: 2026-01-29*