Color Black + White Model SDH-100 Material Plastic Quantity 1 Piece Shade Of Color Black Bluetooth Handsfree Yes Bluetooth Version V3.0 Operating Range 10m Total Power 2.5 W Channels 2.0 Interface 3.5mm Microphone Yes SNR 65dB Frequency Response 128Kbps~320Kbps Impedance 4 ohm Applicable Products OthersUniversal Bluetooth-enabled Mobile Phones and Tablet PC Radio Tuner No Supports Card Type MicroSD (TF) Max Extended Capacity 8GB Built-in Battery Capacity 350 mAh Battery Type Li-ion battery Talk Time 2~3 Hour Standby Time 120 Hour Music Play Time 3~4 Hours Plug Specifications OthersUSB Packing List 1 x Bluetooth Speaker 1 x 2-in-1 Audio / Charging cable (40cm)