... Rechargeable battery with DC charger Features:* Car bluetooth kit, Slim and stylish design, easily operate ... with DC charger.Technical Specifications: Excellent sound quality with full duplex communication,DSP (Digital Signal ... reductionBluetooth interface: Version 2.0, Class 2, Bluetooth Range: 8 ~ 10MDimensions: 118mm x 95mm x ... 150~ 200 hours. Details pictures: High quality wireless Bluetooth Car Kit