Features: 1)Ultra-slim design: aluminium surface, lightweight designed adapter make them easy for carrying; 2)Hard disk protection: an intelligent power management ensures HDD can be used more safely; 3)USB 2.0/OTG (On The Go): USB host function, data from other USB devices (i.e. digital camera, flash disk, MP3 player and card reader) can be directly transferred to the player without using a PC. PMP-OTG is compliant with Plug-n-Play, USB 2.0 specification (slave mode); 4)Supports multiple HDD partitions; 5)Graphics user interface; 6)Supports text subtitl (.SMI/.SRT/.SUB); 7)File management (Copy; Delete; Rename; New folder); 8)Supports AVI (MPEG4), MPG (MPEG1, MPEG2), DAT (VCD), VOB (DVD), WAV, WMA, MP3, JPG.; 9)Compliant with PAL/NTSC; 10)Multiple sound tracks support; 11)Versatile repeat modes; 12)Viewing pictures in various ways; 13)Slide show with background music a)14 transition modes; b)Zoom, rotation, move functions; c)9 thumbnail pictures previewing.; 14)File can be sorted by name/size/time/type