Breakthrough spatialized audio for more immersive listening that makes your music feel realer than ever before — no matter the content or source. World-class noise cancellation and sound tailored to you. And a design that feels so good to wear. Say less. (Listen more.) QuietComfort Ultra Earbuds are the ultimate wireless noise cancelling earbud experience. Bose Immersive Audio pushes the boundary of what it means to listen by taking what you’re hearing out of your head and placing it in front of you. It sounds so real it’s almost like you could reach out and touch it.

Features

Bose Immersive Audio - Seal yourself in with high-fidelity audio, eliminate distractions, and dive deep into your music.
World-class noise cancellation - QuietComfort Ultra Earbuds use both passive and active noise reduction technologies to achieve our best in-ear noise cancellation.
CustomTune tech for sound tailored to you - CustomTune tech analyzes your ears, adapts to the shape, and auto-adjusts to personalize the sound and noise cancellation to their liking.
Up to 6 hours of battery life - The earbuds play for up to 6 hours (up to 4 hours with Immersive Audio¹) and the case holds up to 3 additional full charges.
Customizable, comfortable fit - Nine possible combinations of eartips and stability bands ensure the most comfy and stable fit for your ears.
Bluetooth® multipoint connectivity - Seamlessly connect to two devices simultaneously via Bluetooth and go from Zoom meetings to your Spotify playlist.
Amazingly clear calls - Hear and be heard clearly on calls with a revolutionary mic system.

Try Immersive Audio
A must-have feature for any true music lover, Immersive Audio spatializes what you’re hearing by taking it out of your head and beyond your earbuds to create a spacious, natural listening experience the way the artist intended. Welcome to the acoustic sweet spot.

World-class noise cancellation
To deliver our best in-ear noise cancellation, QC Ultra Earbuds utilize both active and passive noise reduction technologies, employing a sophisticated proprietary approach for Active Noise Cancelling (ANC).

CustomTune technology for sound tailored to you
Proprietary Bose CustomTune technology takes your listening experience to another level by analyzing your ears and automatically adapting the sound and active noise cancellation to their unique shape. By calibrating the audio and noise cancellation precisely to the acoustic properties of each ear canal, your music arrives at your eardrum with its original balance intact, resulting in better audio and more powerful noise cancellation. 

Comfort and stability
The Bose Fit Kit features nine potential combinations of eartips and stability bands to help you find the ideal fit for each ear. Soft silicone umbrella-shaped eartips provide all-day comfort while the stability bands hug the contours of your ears snugly and securely. Bose Gen 1 Quiet Comfort Ultra Noise Cancelling Wireless Bluetooth Earbuds, Black - Certified Refurbished

Bose

Bose QuietComfort Ultra Noise Cancelling Wireless Bluetooth Earbuds, Black - Certified Refurbished