Operation Range: Up to 10 meters                                                                                                                       Bluetooth Specification: V2.1+EDR                                                                                                                                                                                                                                                                              
Excellent sound quality with D.S.P. Solution for echo cancellation
and noise suppression,Supported Connect to 2 Cellphones
Talk time: Up to 6 hours,Standby time: Up to 300hours,Charger time: 3hours.
Size:(L)90 X (W)55 X(H)22.5mm,Weight:60g                                                                                                                               Battery Type:  Rechargeable Poly-Li Battery                                                                                       
General Feature: Pick UP a call, end a call, reject a call, call redial, transfer a call, volume adjustment,voice dial
Versatile function key for: pairing; one-touch answer; call rejection;
Supported File: Headset and Hands-free