Features:

1.Caller Name or Caller Number LCD Display.      
2.Phone Book Synchronization Function      
3.Advanced Built-in Microphone and Speaker      
4.Echo Cancellation & Noise Suppression,Full Duplex Sound Quality      
5.One-Touch Answer, Call Rejection, Last Number Redial.      
6.Compatible Bluetooth Specification: V2.0+EDR      
7.Operating Frequency Band: 2.4GHz~2.48GHz Unlicensed ISM      
8.Working Distance: Up to 10 Meters      
9.Support Profiles: Headset and Hands free Profiles      
10.Battery Type: Rechargeable Lithium DC3.7V, 600maH (BL-5B)      
11.Talk Time: 15~16 hours      
12.Standby Time: 600 hours      
13.Charging Time: 2~3 hours