1.Bluetooth BC V2.0 and A2DP.
2.Ultrathin shape only 19.5mm.
3.To answer/end/reject a call,Voice dialing, dial-back and redialing.
4.Built-in Microphone and loudspeaker.
5.Built-in Li-ion rechargeable battery support 8 hours talking.
6.Wireless earpiece for private talking.
7.Bluetooth connectivity up to 10m, wireless earphone connectivity up to 4m.
8.High definition LCD screen display incoming caller ID and English Name.
9.Telephone book record 200 telephone book. Record last 10.received calls and dial-back optionally.
11.Integrated Car MP3 player to enjoy music while driving, play MP3/WMA format music in   SD/MMC memory, U-disk through SD and USB interface automatic.
12.Built-in FM transmitter, enjoy wireless music or call from car audio.
13.Re-connected automatical.