1.Supports the RM/ RMVB video format directly (the first PMP can support this format) 2.Supports all seven formats for MP4 video: AVI, ASF, WMV, Divx3.X, Divx4.X, Divx5.X, and Xvid 3.Supports SWF format FLASH film play. 4.Supports TXT file reading. You can store the article, novel, and text to read anytime 5.Supports AV record and AV Output,can record up to 31 hours of programs to hard disk 6.Build-in 2 MEGA pixel DV camera,can take digital pictures and also can be used as a DV camera 7.Build-in SAND DISK card read connect, so it can read data from a SD card and MMC card directly 8.Supports OTG digital companion function, direct transfer of pictures from your digital camera to the PMP,can save 500,000,000 pixel pictures-- near 10,000 photos.can be used with other memory storage devices(such as MP3 and flash disk) to directly transfer,copy or backup data. 9.Build-in Lithium battery with 1990 mAns capacity.can be recharged through DC and USB port. Advantages: Support RM/RMVB video format Support SWF format FLASH film playing. Support OTG digital-mate function Portable 20GB hard disk