Brand Liweek Model IF135 Type Portable Colors Fuchsia Quantity 1 Internal Memory N/A Memory Card Type USB / TF Max Extended Capacity 32GB Media Format MP3 WAV WMA Channels 2 Interface USB TF slot Radio FM Radio Power Supply Built-in Rechargeable Battery Built-in Battery 1000mAh Total Power 2W + 2W Signal to Noise Ratio(SNR) >/= 78dB FM Frequency 87.5~108MHz Other Features Frequency response: 200Hz~20KHz; Distortion: 0.3% 1W 1KHz (DC 3.7V) Packing List 1 x Speaker 1 x Charging cable (60cm) 1 x Audio cable (60cm) 1 x Built-in lithium battery 1 x Chinese / English manual