So, obviously it plays MP4 videos on its 3.5-inch TFT LCD ... music, or, my personal favorite So, obviously it plays MP4 videos on its 3.5-inch TFT LCD screen, ... a small fortune to get one eitherSolar MP4 PMPUniquely designed 2GB MP4 Player with 2 solar panels built in ... USB OUT for recharging devices with rechargeable batteries (digital cameras, MP4 players, mobile phones, ect) Selectable Voltage: 4.5V, ...