1) 5-in-1 MP3 player: USB disk, MP3 / WMA player, repeat, recording, built-in FM radio 2) Support E-book, FM recording 3) Built-in flash memory: 128MB, 256MB, 512MB, 1GB, 2GB, 4GB flash memory 4) USB2.0 portable disk, without driver for Windows 2000 or above 5) The disk can be divided into two sub-disks, and one sub-disk can be encrypted for data security  6) Support MP3, WMA, WMV, ASF, WAV 7) MP3 bit rate: 8 ~ 320Kbps, WMA bit rate: 5 ~ 384Kbps 8) Digital voice recording, 72 hours recording time for 256MB 9) Recording format: WAV 10) ACT and recording file can be played back in computer 11) Built in FM radio, Philips TEA-5767 FM module 12) Frequency range: 87.5MHz ~ 108MHz, 76MHz ~ 90MHz 13) Automatic channel search, able to save maximum 40 radio sets (20 sets for each frequency range)  15) A-B repeat multiple repeat function loop one, loop all  16) 7 effects: normal, dbb, rock, jazz, disc, pop, classic 17) Lyric synchronously 18) 7 colors backlight and 8 individual backlight color  19) Programming power off, can preset sleeping mode or low power mode to save power  20) Support 13 languages: simplified Chinese, traditional Chinese, English, Italian, German, Spanish and French, Japanese, Korean, Swedish, Dutch, Czech 21) Firmware upgrade function  23) System requirements:  a) IBM or Mac compatible PC or notebook with USB 1.1/2.0 host controller and 300MHz or faster processor b) Available USB 2.0/1.1 port  c) Microsoft Windows 98SE, Windows ME, Windows 2000 or Windows XP  d) Mac OS 10, Linux 2.4.2