Click the button function: 1 answer the phone 2 hang up the phone 3 music play pause.
Double-click function: 1 redial the last number 2 switch between Chinese and English (before
connecting the phone).Long press the button for 3 seconds: 1 boot 2 left track, right track next
track.Long press the button for 5 seconds: 1 shutdownOne-ear state: long press for 3 seconds
for the next song (supreme song function)