... Screen -WIFI, 3G,GPS,Camera -Advertising Headrest Mount Tablet PC , Android Terminal for Car ,Bus, Taxi -Android 4.0 OS, support ... Standard USB interface, directly connected USB devices -Built-in headrest for Car/Taxi/Bus with adjustable pillar -Ebook reader function with ... Screen taxi advertisement player 2. Support USB LAN,WIFI ,SD card to update advertisement 3. High sensitivity touch screen 4. ...