The EP is a registered trademark of Pyrus Electronics. What is MP5? MP5 is a new generation of MP4! There are too many different types of video formats in this world today. You must convert all music files and video files before downloading to your MP4 player. This, unlike the old MP4, you can download movies / DRM compatible video formats directly into this MP5 player without any conversion. With a Micro SD card slot, this Slim & portable MP5 player can make you enjoy music and videos to formats (AVI, RM, RMVB, etc..)-Built-in 16GB flash memory from Samsung and expandable to 20 GB! Support Micro-SD / T-Flash card-Display: 3.0 "16:9 touch screen TFT 800 x 600 pixels