1.digital tablet PC 2.7-inch HD display 800*480, 16:9. 3.DDR2 256M, ... Main Frequency Range720MHz dominant frequencyRAM ChipDDRII-256M,400MHz 32bit memoryScreen 7-inch TFT colorful touch screenResolution Ratio800X480USB InterfaceMin USB 2.0, OTG ... : 50% deposit, 50% paid off before delivery. Functional Characteristics:7-inch touch screen, supports full screen touching.Supports capacitive handle input ...