Brand SEE ME HERE Model LV520-III Type Portable Colors Black + silver Quantity 1 Material ABS + iron net cover Internal Memory No Memory Card Type SD / TF / MicroSD USB disk Max Extended Capacity 64GB Media Format MP3 / WMA APE / FLAC / WAV Total Power 2.5W x 2 Impedance 4 ohm Signal to Noise Ratio(SNR) >= 80dB Sensitivity 80dB +/- 2dB Channels 2 Interface 1 x 3.5mm jack 1 x 3.5mm AUX 1 x SD card slot / 1 x Mini USB / 1 x USB2.0 Radio FM Radio FM Frequency 87.0~1080MHz Power Supply 5V Other Features Supports SD / AUX play break-point memory play; Can be as card reader as connect to computer Built-in Battery External battery: 1000mAh Packing List 1 x Speaker 1 x Audio cable (80cm) 1 x USB cable (75cm) 1 x Lithium battery (1000mAh) 1 x Chinese / English user manual