Galaxy Tab Active (Gray) WiFi OS---Android 4.4 (Kit Kat) MAIN CAMERA " FLASH--LED Flash MAIN CAMERA - AUTO FOCUS--3.1MP INTERNAL MEMORY--1.5GB RAM 16GB ROM EXTERNAL MEMORY/MICROSD CAPACITY--MicroSD (up to 64GB) WI-FI--802.11 A/B/G/N PROCESSOR SPEED TYPE--1.2 GHz Quad-Core Qualcomm APQ 8026 MAIN DISPLAY RESOLUTION--WXGA (1280 x 800); 189 PPI MAIN DISPLAY SIZE--8.0" Brightness: 400 nits MAIN DISPLAY TECHNOLOGY--LCD TOUCHSCREEN Yes FEATURES--1 Speaker Headphones (Headphone Out 3.5mm) Microphone Wired LAN Wireless LAN AC Adapter 120V/60Hz AllShare Cast USB Micro USB 2.0 Bluetooth 4.0 (LE)