1. Supports to copy files from memory cards to the internal hard drive(no need for PC). The backup function allows you to transfer the data from your cards to the HDD anytime. Anywhere during your trip, and to enjoy your picture-taking all the time 2. Supports all popular memory cards in market such as CF, CFII, MS. MS Pro, MS Duo, SD, MMC, with strong compatibility and practicability. 3. USB2.0 interface also can be used as OTG. 4. It has infinite memory & storage expansion configuration with internal 2.5 Hard Disk. 5. It is easy to replace the standard battery, and it is compatible with Fujifilm NP-100 Li-ion rechargeable battery model. 6. 4.0 inch TFT LCD, has features of fast response, high resolution, and power saving. 7. It supports to view standard JPEG photos, and to check whether they have been stored safely into it, which makes you saving more secure. 8. You can view Text files with it. 9. It is also a video and audio player, and you can enjoy them during your trip. 10. It supports AV out, you can share with your friend photos and video and audio files on a TV or a projector with an AV in jack. 11. It supports business presentation. You can do this after you have transformed a PowerPoint file(. Ppt) into JPEG files (. Jpg) separately, and connected it to a projector. 12. It supports hot plug when connected to a computer. Not having to restart your computer. You can load your digital bank into the computer to exchange data. And pull out the USB cable immediately after usage.