1) Wireless FM transmission, suitable to be used in car. Full-frequency radiation, frequency range: 87.5, 87.6, 87.7, ..., ..., 107.8, 107.9, 108.0MHz, total 206 frequencies optional, 0.1MHz interval 2) Stainless steel back housing, super-thin, 7.5mm thickness only, wonderful, smart and fashionable appearance 3) 1.5 inch CSIN OLED, colorful and clear display, high quality video playing 4) Support multiple audio formats(MP1/MP2/MP3/WMA/ASF/WAV etc.) 5) Long time recording , song title and lyric shown synchronously 6) Unique AMV film playing function, JPEG and GIF picture browsing, TXT E-book 7) High quality record, A-B repeat; 7 EQ optional, graphics menu 8) Make "Encrypted space" on mobile disk to protect private information 9) Built-in powerful polymer lithium battery; 18 languages supported 10) Double power supply method, charged by charger and PC while connecting 11) Auto power off & memorizing function 12) Mobile U-disk storage function, USB2.0 port, high speed transfer 13) Accessories: USB cable, charger, earphone, user's manual , CD driver 14) Capacity choice: 128MB / 256MB / 512MB / 1G / 2G