1) Seven buttons: Back / Camera button / Up / Down / Left / Right / OK.
2) One toggle switch: Switch Android or IOS.
1) Camera button: Open the camera then press the button
2) Back button: Different operations run with different systems,
for Android - Short pressing to return last step,
Long pressing to switch Mode Music or Keyboard.
for IOS - Short pressing to use HOME function,
Long pressing to start SIRI voice controlling.
3) Direction button: Up / Down / Left / Right / OK.
Short press=Volume louder (long press=Volume louder continuously)
Short press=Volume lower (long press=Volume lower continuously)
Short press=Play or hold,Long press=ON or OFF (Note: fast backward and fast forward just support with Samsung built-in video player)
Short press=Move Previous (long press=fast backward)
Short press=Move Next (long press=fast forward)