Support headset & handsfree profile
Operating frequency range in ISM band of 2.4GHz TO 2.48GHz.
Bluetooth: Compliant with Bluetooth V1.1
Battery: Rechargeable lithium polymer
Charger: External charger required
Talk time: 4 hours talk time, 100 hours standby time.
Power: 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