Color Black + White Brand N/A Model CB03 Material Plastic + silicone + electronic components Quantity 1 Piece Shade Of Color Black Bluetooth Handsfree Yes Bluetooth Version V3.0 Operating Range 10M Total Power 3 W Channels 1.0 Interface OthersTF/USB 5-Pin Microphone Yes SNR 80dB Sensitivity 0.1% BER Frequency Response 21Hz~16KHz Impedance 4 ohm Applicable Products OthersUniversal for bluetooth mobile phones Radio Tuner No Supports Card Type MicroSD (TF) Max Extended Capacity 16GB Built-in Battery Capacity 350 mAh Battery Type Li-ion battery Talk Time 3 Hour Standby Time 30 Hour Music Play Time 3H Plug Specifications OthersUSB Power Supply 5.0V Packing List 1 x Speaker 1 x USB charging cable (90cm)