Key specifications / Special Features:                                                            
1.Bluetooth 2.0+EDR , Class 2, 10 Meters
2. Bluetooth Profile Supported: HSP, HFP, SPP and OPP Profiles
3. Operating Frequency Band : 2.402 to 2.480GHz unlicensed ISM band
4 .Rechargeable Polymer Battery: 3.7V DC, 650mAH, (#BL-5B compatible)
5.AC/DC Charger:  DC 5 to 5.5 V, 450 mA
6. Normal Charge Time:  3 hrs.(approx.)
7. Talk Time:  8 hrs.
8. Standby Time:  400 hrs
9. Dimension: L 126mm x W 57mm x H 22mm.
10. Caller Name or Caller Number LCD Display
11.Phone Book Synchronization Function
12.Advanced Built-in Microphone and Speaker
13.Echo Cancellation & Noise Suppression
14.Full Duplex Sound Quality
15.One-Touch Answer, Call Rejection, Last Number Redial
16.Voice Dialing Function (Subject Voice Activation Enabled Phones)
17.Support Multiple paired. (Up to 8 Bluetooth Phone can be paired)