Wireless Bluetooth Headphones Celebrat A4

1. on/off; long-press the power button for 5 seconds 2. pairing; the first time paired with manual operation, the second time and later automatically connected. 3. music play/pause; short press the power button (play button) 4. previous song: long press the "+" button (1 second) 5. next song: long press "-" button (1 second) 6. volume up: short press the "+" button 7. volume is reduced; short press "-" button 8. call answering / hanging up: short press the pause button (play button) 9. the last number redial; double-click pause button 10. reject the call; press and hold the pause button for 1 second (when ringing) ​