What features help achieve the best in-ear noise cancellation in these earbuds?

The QuietComfort Ultra Earbuds use both passive and active noise reduction technologies, as well as CustomTune technology that adapts to the shape of your ears.

What is the battery life of the Bose QuietComfort Ultra Earbuds (2nd Gen)?

The earbuds play for up to 6 hours, and the case holds up to 3 additional full charges.

Questions & Answers: Bose QuietComfort Ultra Earbuds (2nd Gen) True Wireless Noise Cancelling In-Ear - White Smoke

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Bose QuietComfort Ultra Earbuds (2nd Gen) True Wireless Noise Cancelling In-Ear - White Smoke

Seal yourself in with high-fidelity audio, eliminate distractions, and dive deep into your music.
QuietComfort Ultra Earbuds use both passive and active noise reduction technologies to achieve our best in-ear noise cancellation.
CustomTune tech analyzes your ears, adapts to the shape, and auto-adjusts to personalize the sound and noise cancellation to their liking.
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.
Nine possible combinations of eartips and stability bands ensure the most comfy and stable fit for your ears.
Seamlessly connect to two devices simultaneously via Bluetooth and go from Zoom meetings to your Spotify playlist.
Hear and be heard clearly on calls with a revolutionary mic system.

$299^.00 –