1.Media player board. 2.Use the fourth generation of DMPX series multimedia dedicated decoder chip from ESS company, Specs1.Use the fourth ... mode (<2.4W), Standby mode (<1.2W) 4. Multi-storage media support: support CF/USB2.0/MINIUSB/SD/MMC card, play ... , airport, Taxi, Bus, Air flight , Supermartket, shopping,Public area Use the fourth generation of DMPX series multimedia dedicated decoder chip ...