Brand NOGO Model R808 Type Portable Colors Black + gray 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 4 ohm 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 Built-in Rechargeable Battery Built-in Battery 1000mAh Other Features With music player and radio in one; Chinese menu; 3w speaker with bass amplifier; supports MP3WMAWAV audio file; 1000mAh battery can last for at most 8 hours; easy to carry and convenient to use. Packing List 1 x Speaker 1 x Strap (16cm) 1 x USB cable (100cm) 1 x Li-ion battery 1 x Audio cable (101cm) 1 x Manual