"HIGH CAPACITY BUILT-IN BATTERY: Built with 2500 mAh rechargeable lithium battery that ensures an using time about 5 hours. Battery-powered, car charger, AC power adapter three power supplies, you can play anywhere. SUPPORT MULTI-MEDIA: Direct play in formats: CD, DVD, CD-R/RW, DVD -R/+R, DVD+RW/-RW, VCD, SVCD; USB and SD Card supported: MP3/WMA/WAV, JPEG, NES(game format), MPEG2/AVI/DIVX, TXT. Also the Game USB for game joysticks provides an extra...