ViewSonic gTablet with 10" Multi-Touch LCD Screen, Android OS 2.2 Google Android OS 2.2, 1 GHz Dual ARM Cortex-A9 processor 16GB internal memory (expandable up to 32GB via SD Card), 512MB DDR2 memory 10.1-inch TFT-LCD with LED driver system and 1024 x 600-pixel resolution Wi-Fi: 802.11b/g/n, 1.3-megapixel front-facing camera USB 2.0 (Slave), Mini USB 2.0 (Host), 3.5mm stereo headphone, Dock for HDMI/Headphone/USB (optional)