Brand MUSIC ANGEL Model JH-MD09 Type Mini Colors Silver + black + white Quantity 1 Material Aluminum alloy Internal Memory No Memory Card Type TF / USB Max Extended Capacity 16GB Media Format MP3 / MP4 Total Power 3W Signal to Noise Ratio(SNR) 80dB Channels 1 Remote Type N/A Interface USB 2.0 / TF card slot / 3.5mm / micro USB Radio FM Radio FM Frequency 88~108MHz Power Supply Built-in Rechargeable Battery Built-in Battery 620mAh Packing List 1 x Speaker 1 x Chinese / English user manual 1 x Charging / audio cable (82cm) 1 x Strap (23cm) 1 x BL-5C Li-ion battery