Built-in Microphone - Stay connected to your phone with hands free callingMusic, Volume and Calls control Buttons - Answer calls & control your musicInternal Li Ion Battery - Rechargeable battery gives up to 8 hours between chargesOn the move: Perfect for biking, hiking & travelingBig sound:

Built-in Microphone - Stay connected to your phone with hands free callingMusic, Volume and Calls control Buttons - Answer calls & control your musicInternal Li Ion Battery - Rechargeable battery gives up to 8 hours between chargesOn the move: Perfect for biking, hiking & travelingBig sound: Precision drivers for superior bass