... .Inhalation mechanism 4.super quality and best price 5.with USB/SD port, 7 inch headrest car dvd player with TV ... . One A/V imput, one A/V output4. Compatible to USB,SD,MMS,MS card,support GAME function (optional TV)5 ... send free. 7 inch headrest car dvd player with SD /USB and MP3 function(2)