This is Chinavision CVSJ-1304, which is probably the world’s thinnest portable media player that is as thin as 4.5mm. Chinavision CVSJ-1304 features 4GB internal storage capacity, a 1.8-inch 160×128 display, FM tuner and USB 2.0 connectivity.
The thinnest PMP supports MP3, MP4, WMA, ASF as well as WAV media formats. It comes with built-in lithium Ion battery.
