Brand Skyhawkfly Model BCS20 Quantity 1 piece(s) Color Silvery grey Material ABS Function Handsfree Compatible Cellphone Iphone HTC Samsung Phonebook Capacity No Bluetooth Version V4.0 Transmit Frequency 2.4~2.480GHz Transmt Distance 10 m MIC Effective Distance 2 SNR 82 dB THD 0.5% Frequency Response 300Hz~20KHz Talk Time 12 H Standby Time 600 H Charging Time 2 H Charger Voltage DC 12V Battery Capacity 700 mAh Interface/Port Mini USB External Card Max. Support No Other Features Sound controlled Yes: answer call No: reject call; With the newest CVC noise reducing technology eliminates circuit noise; Auto bluetooth match; Battery is replaceable; Energy-saving auto off Packing List 1 x Car phone kit 1 x 12~24V car charger 1 x USB cable (70cm) 1 x Battery 1 x Chinese / English user manual 1 x Clip