MP4 player,digital mp4 player,portable mp4 player 1)built-in 128/256/512MB/1G /2gb/4gb/8gbflash MP4 player , digital mp4 player , portable mp4 player1.MCU:ACTION2051 2.CSTN Display3.PC Connection: USB2.04.MP3/WMA/WAV/ASF formats5.7 EQ:normal/rock/classic/jazz/POP/Bass/soft6.FM stereo radio and recording.7.Built-in lithium battery.8.Weight: 50g9.Color: Black,White 10.Built FM Radio