DanCoTek 7" Android4.4.2 Dual Core 1.5GHz A23 CPU Bluetooth WiFi Dual Camera Capacitive Touch 800*480 External 3G Compatible 512MB 4GB Tablet PC (Green) High Speed Dual Core CPU, Allwinner A23 Cortex A7-1.5Ghz; 512MB RAM; 4GB ROM (can be extended to 32GB Max) OS: Android 4.4.2; Google Play enables you to download millions of APPs WiFi and OTG to external 3G Dongle(not included, need to buy one) enable you to connect to the internet everywhere Bluetooth for you to connect to BT speaker, BT Keyboard, and other BT devices Smooth Capacitive Touch; Dual Cameras