To deliver 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). 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. 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. The Bose app maximizes everything your earbuds have to offer, ensuring optimal functionality with regular software updates and access to the latest features.

Create shortcuts: Assign or modify shortcuts, access your voice assistant, and more.
Make a mode: Create custom modes with a noise cancellation level of your choosing.
Customize your sound: Adjust EQ settings by modifying the levels of bass, mid-range, and treble to your liking.