1.Bluetooth handsfree car kit 2.Bluetooth V2.1+EDR,Class 2 3.Sun visor ... 4.Long talking time 5.Full-duplex sound Bluetooth handsfree car kit with large speaker: * So small and light it fits in ... * 4 Button design: MFB, VOL+, VOL-, Mute,* LED Indicator Status: Blue, Red* Rechargeable 300mAh Li-Polymer Battery * Mini 5 Pin USB ...