U disk and TF card plug and play, play MP3 format music, with memory function. With FM radio frequency modulation function and can automatically search and memory channel; 5C external high capacity rechargeable batteries, charging more, easy to replace. 3.5 audio output/input, can also be used for computer, MP3 / MP4 / mobile phone, etc.; Long press up and down keys can choose songs fast forward backward; With LED display; 2 stereo speakers