vitalASC ST0511 Specification Screen：5” LCD 800*480 CPU：Cortex A9 dual-core 512MB flash，8G Nand flash WiFi，embedded 3G Camera：front 1.3M，back 5M 3G date and telephone function Bluetooth 2.1 Electronic compass G-Sensor Light-Sensor Vibration A-GPS Battery：2400mAH Andriod 2.3 system Specifications are subject  to change without prior notice