Brand N/A Quantity 1 piece(s) Color Black Material ABS Function A2DP Compatible Cellphone All devices w/ bluetooth Phonebook Capacity No Bluetooth Version 2.0 Transmit Frequency 2.4GHz Transmt Distance 8 m MIC Effective Distance 8m SNR No dB THD No Frequency Response No Talk Time 6 H Standby Time 12 H Charging Time 4 H Charger Voltage DC 12~24V Battery Capacity 200 mAh Interface/Port 3.5mm External Card Max. Support No BQB Certification Yes Other Features Supports all bluetooth devices such as bluetooth cellphones computers etc.; Power: built-in battery; Audio interface: 3.5mm; Easy to operate; Small portable and fashionable Packing List 1 x Bluetooth receiver 1 x 3.5mm audio cable (45cm) 1 x Cable (60cm)