VMP2501 is a portable 2.5" HDD media player that supports various video and audio files with embedded hardware codec, also works as an external USB storage with USB2.0/1.1 port)...

VMP2502 is a portable 2.5" HDD media player that supports various video and audio files with embedded hardware codec, also works as an external USB storage with USB2.0/1.1 port and OTG (on-the-go) function, and SD Card Reader...

VMP3501is a portable 3.5" HDD media player that supports various video and audio files with embedded hardware codec, also works as an external USB storage with USB2.0/1.1 port...