*Color: Black
*Bluetooth Specification: V4.0+EDR
*Bluetooth profiles: HSP, HFP, A2DP and AVRCP
*Range: 10 meters Class II
*RF Frequency Range: 2.402-2.480GHZ, 2.4G ISM band
*Radio Performance: Receive Sensitivity of -90dBm, TX Power Max 4dBm
*Rechargeable 400mAh Li-Polymer Battery
*Mini 5 Pin USB Plug charging Port
*Nominal charging time: Max 4 hours
*Up to 20 hours music/talk time
*Up to 400 hours Standby time
*Dimensions (main body): 54(diameter) x 23(H) mm
*Weight: 71.2 grams