本产品采用按压触发控制功能，目前默认的按压触发功能为：
Pinch
- Play/ Pause
- Answer/ End Call
Double Pinch
- Next Track
- Reject Call
Triple Pinch
- Previous Track
Hold
- Noise Cancellation/ Transparency
Pinch and Hold
- Volume Up/ Volume Down
*Please set up the functionality in the Nothing X app for the more details.