... iPhone, iPad, iTouch5. Receiver and microphone function6. Side key Volume Control (If you want turn to max volume, you don't ... )7. Led light, answering/hanging up buttons Specifications:1. Volume control button, LED light indication, answering/hanging up button2. Colors: Blue, Red ... Phone,or Nokia Phone,or Blackberry Phone.13. Line Volume Control for general mobile phones headset for iPhone iPad