Funcitons:with hand free+music playing+line in Specifications: Bluetooth Specification:V2.1+EDR Bluetooth Profile:A2DP AVRCP RF Range:10 m Frequency Response:100Hz-20KHz
Loudspeaker Output:3W Signal-To-Noise:over 75dB
Distortion:less than1.0% Rechargeable 600 mAH Li-Polymer battery