Color White + Black + Multi-Colored Model BL-25 Material Plastic housing Quantity 1 Piece Bluetooth Handsfree Yes Bluetooth Version V3.0 Operating Range 10m Total Power 3 W Channels 2.0 Interface 3.5mmOthersMicro USB / TF card slot Microphone Yes Sensitivity 95dB Frequency Response 60Hz~18kHz Impedance 4 ohm Applicable Products OthersUniversal Radio Tuner Yes FM Frequency 87.5~108MHz Supports Card Type MicroSD (TF) Max Extended Capacity 8GB Built-in Battery Capacity 500 mAh Battery Type Li-ion battery Talk Time 2~3 Hour Standby Time 64 Hour Music Play Time 4~5 Plug Specifications OthersUSB plug Power Supply DC 5V Other Features Stylish appearance design one-button hands-free easily talk; Supports TF card up to 8GB. Packing List 1 x Speaker 1 x English user manual 1 x Audio cable (48cm) 1 x Charging cable (60cm)