Bluetooth version 1.2 / 2.0 compliant.
* Headset and hand-free profile supported.
* Radio Performance: Bluetooth Class 2, up to 5~10 meters (in open space) .
* Talking Time: up to 6 hours.
* Standby Time: 150 hours.
* Battery: Built-in rechargeable Lithium battery.
* Spread Spectrum: FHSS (Frequency Hopping Spread Spectrum) .
* General Radio: Carrier Frequency: 2.4~2.480GHZ.
* Radio Performance Receiver: Rx sensitivity < -80 dBm.
* Voice dial, receive, end or reject calls, adjust the volume.
* Headset size: 58W27W22mm.
* Headset NW: 17g.