Recently purchased UHMP 900 for my car. The USB does not play any file format. AVI, MP4 etc., This is just a piece of junk. Paid a lot of money for this. The same file play well on the Headunit of the car. But the headrest monitor wont play at all. Even if it does play, the player does not come out of that screen. Do whatever you want it just doesnt work. Even the joy stick for this player looks like a cheap chinese toys. Seems like some cheap chinese stuff being branded by map my India and s...