Color Silver Model LD-188 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 ISM2.4GHz T02.4GHz SNR >60dB THD About 0.5% Battery Capacity 500 mAh Charging Voltage DC 5~6 V Talk Time 18 Hour Standby Time 800 Hour Charging Time About 3 Hour Interface/Port Mini USB Other Features Can connect to 2 smartphones at the same time. Packing List 1 x Speakerphone 1 x Data cable (50cm) 1 x Sun visor clip 1 x Car charger