1. Film play function, support video film with ASF format ( ASF format is convertible though software attached ) 2. Frequency playing function , support multi sound frequency format such as MP3/WMA/WAV etc 3. Photo browsing function，for browsing photos taken by various digital camera, support EXIF2.1. 4. Inlaid Microphone recording, support LINE-IN record 5. Support video recording， AV IN. 6. Video output， AV OUT （NTSC/PAL）。 7. game, calendar, time display 8. multi-language setting ( Chinese/English ) 9. detachable SD/MMC card for extending memory space 10. inlaid lithium battery 11. inlaid speaker Technical Parameters: Size：90*60*17.5mm Color：Black/Silver Memory capacity： 128M/256M/512M selectable with detachable extension memory card Power： Maximum 5 playing hours Operating system supported：windows98/se/me/2k/xp/2003 etc. Display screen：2.5?TFT screen