The TALK button launches Super Mic, allowing you to take calls and record voicenotes.
For calls
1) Press the TALK button for short calls and notes
Press and hold: Enable Super Mic
Release: Release Super Mic and switch back to buds
2) Double-press the TALK button for longer calls and notes
Double press: Latch Super Mic
Single press: Release Super Mic and switch back to buds
Non-calls
Press and Hold: Essential Space* (Nothing OS) or Voice Assistant (iOS/Android)*
*Please set up the functionality in the Nothing X app.