The New Model Reader TB- 719A Platform OS Android Continues The Line of Interactive Books Brand teXet. TB- 719A is Presented in a Classic E-book Form Factor,Has a 7-inch Touch Screen Display With 800 × 600 with a 4:3 Aspect Ratio, Operating System,Android 2.2,Rockchip RK2818 Processor With a Clock Frequency of 600 MHz.   Disk ...