Power on: Long press for 3 seconds
Power off: Long press for 5 seconds
Click on any earphone: pause/play answer/end call 
Reject call: Long press any earphone for 2 seconds 
Double click: Left volume-/Right volume+ 
Three strikes: Top left song/Bottom right song 
Voice Assistant SIRI: Press and hold the left earphone for 2 seconds to release 
Low latency mode: Press and hold the right earphone for 2 seconds to release