Products Number:CCH-502 　　　　 1) USB flash disk with USB 1.0 interface 2) Record function: long time record with inside microphone, A-B repeat. 3) File support: MP3/WMA 4) LCD display: EL blue backlight, display title/playing time/ lyric /status/volume/EQ mode 5) Operation system: Windows 98/Me/2000/XP (Driver for Windows 98) 6) 64MB/128MB/256MB Built-in Memory 7)7-modes:pop/rock/jazz/classic/ddb/soft/mormal 8) Rechargeable battery 9）Built in FM radio 10) Accessories: stereo earphone, driver’s CD, user’s manual, USB extension cable