Brand NOGO Model R808 Type Portable Colors White + blue Quantity 1 Material Plastic Internal Memory N/A Memory Card Type TF Max Extended Capacity 32GB Media Format WMA WAV MP3 Total Power 3W Impedance 4ohm Signal to Noise Ratio(SNR) 88dB Channels 1 Remote Type N/A Interface Micro USB / 3.5mm jack / TF Radio FM / AM Radio FM Frequency 87.5MHz~108MHz AM Frequency 520~1710KHz Power Supply External rechargeable battery Built-in Battery 1000mAh Other Features Multifunction; Quality sound large power speaker; Long standby time: 8h; Comes with micro USB cable convenient to charge; With 3-mode switch easy to operate; FM and AM radio Packing List 1 x Speaker 1 x Strap (16cm) 1 x USB cable (100cm) 1 x Li-ion battery 1 x Chinese user manual