Main features:

 Standard: Bluetooth 1.2 specification

Range: up to 30 feet (10m)

Frequency: 2.4GHz ISM band

 Bluetooth profiles supported: handsfree 1.0 and  headset 1.1

 Transmitter power: Class 2

  Connection: point to point

 Weight: 13 grams

  Figure size: (L) 67mm x (W) 27mm x (H) 14.5mm

Talk time: 4 to 6 hours

 Standby time: up to 180 hours

  Security: encrypted link

  Power consumption: 30mAh (working), 1mAh   (standby)

 Battery: 120mAh lithium-polymer battery,   inserted

  Charging time: about 2hour