Color Silver Grey Model N/A Quantity 1 Piece Material ABS Function HandsfreeOthersSupport playing MP3 FM in bluetooth-enabled cellphone Compatible Cellphone IPHONEMotorolaBlackberryLGSumsangNokiaSonyEricssonHTC Phonebook Capacity 0 Voice Prompt Yes Bluetooth Version V3.0 Transmit Frequency 2.4 GHz Transmt Distance 10 meters in open area m MIC Effective Distance 20 cm Frequency Response 2.4~2.48GHz SNR About 65dB THD About 0.5% Battery Capacity 650 mAh Charging Voltage 3.7 V Talk Time 17 Hour Standby Time 1000 Hour Charging Time 3 Hour Interface/Port OthersMicro USB 2.0 Packing List 1 x Speakerphone 1 x Li-ion battery 1 x Micro USB data cable (50cm) 1 x Car charger 1 x Clip 1 x English user manual