zenithink zt280 tablet pc 1. OS: Android 2.3 2. RAM: 512MB, ROM: ... 4. CPU: ZT-280, 10.2 inch Zenithink zt-280 tablet pc android 2.3 C91Specification: hardwareperformanceModelC91CPUCORTEX A9FSB1GMHzMemoryDDR 512MBNandflashStandard: 4GBExtendedTF card ... battery timeWifi on :4 hours Batterypolymer lithium ion, 4000mAHPower adapter220V Input 9V DC Output ,2AProduct dimension264mm×161mm×16mm Photo: