... li-on polymer battery 3.Universal 3.5 Jack /Voice Alert 4.Multifunctional buttons DF200 ---The perfect stereo headset of the year! Support ... , volume down, mute, unmute, transfer calls between phone and headset, call waiting, call reject*, last number redial* etc. Clip ... Profiles:Headset A2DP,AVRCP,HFP1.5,HSP1.1 Accessories 1 Stereo headset 1 USB 1 User manual DF200 Colorful Bluetooth Wireless Headset ...