Yes, the Bose QuietComfort Ultra Earbuds 2nd Gen support single-earbud (mono) use.
How to Use
- Leave one earbud in the case
- Remove and wear just one
- Connects automatically in mono
Audio
- Switches to mono (all content through one ear)
- Touch controls remain functional
Use Cases
- Office awareness while on calls
- Commute announcements
- Extended battery (alternate earbuds)
- Outdoor safety
Returning to Stereo
Remove second earbud from case. Auto-connects and switches to stereo.
Note
ANC performance decreases with single-earbud use.
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How we researched this
Where this comes from: this answer draws on the product's published specifications and the reviews ShopSavvy collected for it, alongside prices from 1 retailer in ShopSavvy's price data, most recently seen Mar 23, 2026.
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