1).Chipset: V4.1                                                                           2).Support:A2DP,AVRCP,Headset,Headfree,Noise-Canceling,Voice-Dial/Mute                                  
3).Text to speech
4).Multipoint Support; 2 Connections Simultaneously                                                                                        5).Talking Time:22 hours                                                                                                               6).Stand-by time:450 hours                                                                                                               7).When work with PC audio cable,it could only listen to sound from PC         
8).Battery:400MAH
9)BQB CE FCC ROHS