Brand  Samsung
  Model:  WEP410
  Parameter  
  Color  Black
  Power:  4 hours talk time, 70 hours standby time
  Others  
  Size:  45.3x15x9mm
  Weight:  7.8g(approx)
  Details
  *High technology meeting market fashion.
  *Support RF Power Class 2.
  *Support headset & hands free profile.
  *Operating frequency range in ISM band of 2.4GHz to 2.48GHz.
  *Bluetooth: compliant with Bluetooth V1.1.
  *Rechargeable lithium polymer,external charger required.
  *Standard AC/DC adapter.
  *Operating distance 30 feet (10m)
  *Voice command: for dialing out (subject to mobile phone
    support).
  *Noise canceling microphone.
  *Automatic reconnection if Bluetooth link is disrupted.