Generic Wireless Bluetooth 4.0 Handfree Earphone Headset Universal for All Phone (black) Bluetooth mode:Hands free/Headset Support functions: the voice prompt operation,Voice control Answer the phone(Say Supports A2DP music broadcast; Function buttons: play, pause, next,back, Volume up and down soundreduction, IOSPower display Power saving mode Double equipment connection;1 drag 2 Connect two phones at the same time easily conversion