The black 16GB Galaxy Tab 4 Multi Touch 10.1 Wi Fi Tablet from Samsung allows you to experience powerful on the go performance. For power and multi tasking, this tablet has a 1.2 GHz quad core processor, and 1.5GB of RAM. This system features a 16GB storage capacity and also has a microSD slot for additional storage; the microSD slot supports microSDXC cards up to 64GB. For high speed Internet connectivity, 802.11a b g n W Fi is built in. Bluetooth 4.0 connectivity is also integrated for wireless pairing with devices such as headphones. This device also features GPS with GLONASS, which allows you to use Google s location based services included turn by turn GPS navigation.