From Google
Pixel Buds Pro 2 are small, light, and made to stay put; use the twist-to-adjust stabilizer to lock your earbuds in during workouts, or adjust the other way for all-day comfort The first Google Tensor chip in an earbud, the Tensor A1 chip powers twice the Active Noise Cancellation and delivers premium sound Conversation Detection pauses your music and switches your earbuds to Transparency mode when you start talking, so you don’t have to take them out Pixel Buds Pro 2 have large 11mm drivers for powerful bass and a new high-frequency chamber for smooth treble