MP3 player 1.Supports MP3 or WMA music formats 2.Directly connected to PC with plug-and-play USB port 3.With built-in FM radi MP3 player 1) Supports MP3 or WMA music formats2) With multiple circulation modes and preview function3) USB 2.0 (high speed)4) ADPCM long time and high-quality recording5) Replay time: about 12 hours with 1 x AAA battery6) 7 EQ modes: natural, rock, pop, classic, soft, ...