... ,hands free 3,echo and noise reduction Model No.: BSK02portable mini bluetooth speakerKEY FEATURES*Best sound quality wireless speaker and speakerphone ... Supported: HSP V1.2, HFP V1.5, A2DP V1.2 ,* RF Frequency Range:2.402-2.480GHZ, 2.4G ISM band ... : MFB, VOL+, VOL-, Slide switch,* LED Status Indicator: Blue, Red,* Mini 5 Pin USB charging Port* Color: greenPOWER:* Rechargeable 270mAh Li ...