Model: HS4W Color: Sliver/White Power: 5 hours talk time, 160 hours standby time Weight: 21g(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.Operating distance 30 feet (10m).Voice command: for dialing out (subject to mobile phone support). Automatic reconnection if Bluetooth link is disrupted.Noise canceling microphone.
Bluetooth Headset HS4W