1).Chipset:CSR BC5 V2.1 2).Support:A2DP,AVRCP,Headset,Headfree,Noise-Canceling 1).Chipset:CSR BC5 V2.1 2).Support:A2DP,AVRCP,Headset,Headfree,Noise-Canceling,Voice-Dial/Mute 3).Broadcast Range:10M 4).Talking Time:12 hours 5).Stand-by time:250 hours bluetooth headset