What do the buttons and controls on the headphones do?

ON/OFF Switch
Switch up: Power off
Switch down: Power on

Pairing
Press and hold the Bluetooth pairing button for 2 seconds until the white LED starts flashing

Roller
Roll right/left: Volume up/down
Press: Play/Pause
Press & hold: Switch between Active Noise Cancellation and Transparency Mode

Paddle
Push right: Next track/Answer call
Push left: Previous track/Reject call
Press and hold right: Fast forward
Press and hold left: Rewind

Button
Nothing OS
Press: Channel Hop (switch audio sources)
Press and hold: Activate voice assistant

Android/iOS
Press: Activate voice assistant

More customisation options are available in the Nothing X app.
*Optional button functions include:

1. Channel Hop (Nothing OS only)
2. Voice AI (ChatGPT supported on Nothing OS only)
3. Essential News (Nothing OS only)
4. Noise control
5. Camera shutter
6. Microphone mute
7. EQ presets
8. No action