Bose QuietComfort Ultra Earbuds (2nd Gen)
When music means everything, there are the next-gen QuietComfort Ultra Earbuds. Because every listen deserves the premium, personalised audio of CustomTune tech, our best in-ear noise cancellation, and the comfortable fit of our best earbuds. So you get a heart-stopping experience every time you press play.
PREORDERS ONLY

OUR BEST IN-EAR NOISE CANCELLING

CUSTOMTUNE FOR PREMIUM SOUND
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SPATIALISED BOSE IMMERSIVE AUDIO

UP TO 6 HOURS¹

A FIT THAT WON’T QUIT

CUSTOMISED WITH THE BOSE APP

WIRELESS CHARGING CASE

CLEARER CALLS THAN EVER
Our quietest in-ear noise cancelling


In Quiet Mode, there are no distractions – just music. Aware Mode lets you hear what’s around you, while ActiveSense tech still smooths spikes in unwanted noise.

Music made easier

The clearest phone calls
No more “huh?” when you try to say “hello”. Use one bud or two for the clearest, most-natural sounding phone calls.
SPECS

WHAT'S IN THE BOX?
- 2 Bose QuietComfort Ultra Earbuds (2nd Gen)
- Bose Fit Kit:
- 3 pairs of eartips (S, M, L)
- 3 pairs of stability bands (1, 2, 3)
- Wireless charging case
- 12" USB-C® (A to C) cable
- Safety sheet
- Earbuds:1.2 cm H x 2 cm W x 2.4 cm G (7.7 g)
- Wireless charging case:16.6 cm H x 5.9 cm W x 2.7 cm G (61.23 g)
- USB cable:30.5 cm
- Earbuds: Plastic (PC-ABS), Silicone, Metal, sweat and water resistant (IPX4)
- Eartips: Silicone
- Case: Hard plastic
- Battery life: Up to 6 hours¹ (up to 4 with Bose Immersive Audio)
- Earbud charge time: 1 hour
- Charging case charge time: 3 hours
- Quick-charge time: 20 minutes for 2 hours³
- Battery charge method: USB-C
- Battery type (earbud): Lithium-ion
- Battery type (case): Lithium-ion
- Automatic on/off feature to preserve battery
- Bluetooth range: Up to 9m
- Wireless connectivity: A2DP Bluetooth Audio Streaming, HFP Bluetooth
1 Testing conducted by Bose in February 2025 using production-representative Bose QuietComfort Ultra Earbuds and a variety of music tracks using A2DP Bluetooth audio streaming at RSSI signal strength of 75 dBm. Volume set to playback loudness of 75 dB, 3-band EQ set, to zero in Quiet Mode (full noise cancellation). With Immersive Audio off, playback time was up to 6 hours before battery depletion. With Immersive Audio on, playback time was up to 4 hours before battery depletion. Battery life varies based on settings and usage.
2 Testing conducted by Bose in February 2025 by inserting production-representative Bose QuietComfort Ultra Earbuds with battery depleted (to the point of no audio playback) into a fully charged Bose QuietComfort Ultra Earbuds charging case and charging earbuds to 100%, then resuming audio playback until battery depletion. Testing resulted in three (3) complete charging cycles by the case, before a full charge was no longer possible.
3 Testing conducted by Bose in February 2025 using production-representative Bose QuietComfort Ultra Earbuds and Bose QuietComfort Ultra Earbuds charging case. Quick charge testing consisted of inserting earbuds with battery depleted (to the point of no audio playback) into a fully charged case and charging earbuds for 20 minutes, then resuming Bluetooth A2DP audio playback with volume set to loudness of 75 dB, 3-band EQ set to zero, in Quiet Mode (full noise cancellation) with Immersive Audio switched off, resulting in up to 2 hours playback time before battery depletion.
Time to achieve fully charged earbuds was determined by inserting earbuds with battery depleted (to the point of no audio playback) into a fully charged case and charging earbuds to 100% battery charge.
4 QuietComfort Ultra Earbuds: Testing conducted by Bose in June 2023 using production-representative Bose QuietComfort Ultra Earbuds and a variety of music tracks using A2DP Bluetooth audio streaming at RSSI signal strength of 75 dB. Volume set to playback loudness of 75 dB, 3-band EQ set, to zero in Quiet Mode (full noise cancellation). With Immersive Audio off, playback time was up to 6 hours before battery depletion. With Immersive Audio on, playback time was up to 4 hours before battery depletion. Battery life varies based on settings and usage.






