Color Golden + Red + Multi-Colored Material Aluminium alloy Quantity 1 Piece Bluetooth Handsfree Yes Bluetooth Version V3.0 Operating Range 10 meters Total Power 3 W Channels 2.1 Interface 3.5mmOthersMini USB Microphone Yes SNR 96dB Frequency Response 280Hz~16KHz Impedance 2.6 ohm Applicable Products OthersUniversal Radio Tuner Yes FM Frequency 87.5-108MHz Supports Card Type MicroSD (TF) Max Extended Capacity 8GB Battery Type Li-ion battery Talk Time 2~3 Hour Standby Time 48 Hour Music Play Time 3~4 Plug Specifications OthersUSB Power Supply DC 5V Packing List 1 x Speaker 1 x Chinese & English user manual 1 x Audio cable + charging cable (49cm)