1.ACTION 58mm*30mm*13mm 2.Compactness\equisite OLED colorful display 3.Mp3 player\ U disc\Record\A-B repeat mode and FM radio 4.Three menu(English\ simple Chinese\Trad Chinese) 5.Lyrics display 6.Adjust backlight display\contrast\the time off 7.Support MP3, WMA 8.High speed USB2.0: upload: 3.2Mbps. download: 2.6Mbps 9.Micphone inside,two ways of record modes 10.Five music modes: POP、CLASSIC、JAZZ、ROCK、NORMAL(+FM)