Specification:

Bluetooth Class 2, Version 1.1/1.2

Excellent sound quality with D.S.P. Solution  

for echo cancellation & noise suppression

Versatile function key for:

          pairing; one-touch answer; call rejection;  

          power on/off; last number redial;

voice activation(subject to voice activation enabled phones)

Automatic bluetooth re-connection

LED indicate, Volume control

With 5 in 1 charge function (compatible withmost of the major Mobile phones with
Bluetooth  of the series of Nokia, Motorola, Samsung, Siemens, Sony-Ericsson.)