1.Supports A2DP, Integrated Car MP3 function to enjoy music while driving, play MP3 format music in SD/MMC memory, U-disk through SD and USB interface automatic
2.Individual voice dialing
3.with FM transmitting and   independent Wireless earpiece
4.Caller Name or Caller Number LCD Display
5.Phone Book Synchronization Function
6.Advanced Built-in Microphone and Speaker
7.Echo Cancellation & Noise Suppression,Full Duplex Sound Quality
8.One-Touch Answer, Call Rejection, Last Number Redial.
9.Compatible Bluetooth Specification: V2.0+EDR
10.Operating Frequency Band: 2.4GHz~2.48GHz Unlicensed ISM
11.Working Distance: Up to 10 Meters
12.Support Profiles: Headset and Hands free Profiles
13.Battery Type: Rechargeable Lithium DC3.7V, 1700maH
14.FM radio frequency: 87.5 - 108.0MHz (optional)
15.Operating temperature: -20 to 70°C

Besides,we have another model the same as this one ,but added TTS(Text to speach )function.
Also,this model can also reset as wired or wireless camera. With LCDdisplay in mirror .
If you need ,please feel free to tell us,we will offer you with our best price.
Our company homepage: www.ea51.com