1.OLED color display, screen protection function. 2.Metal feel crust 3.Support music formats MP1.2.3, WMA, ASF, WAV 4.Digital recording/Repeat, Multiple decodes playing 5.Many kinds of languages, synchronized song lyric demonstration 6.FM radio reception and recoding, automatic search broadcasting and pre-setting function 7.Portable USB large capacity storage and high speed USB2.0 transmission 8.Big capacity and rechargeable lithium battery, support the playing time of above 8 hours