These CE0168 Samsung Galaxy Tab 4's (Model SM-T537V) are black 10.1-inch tablets with a Quad-Core processor and 2GB of RAM. They have 16GB of storage capacity and operate on the Android operating system. These devices feature a touchscreen with a maximum resolution of 1280 x 800 and include a micro-USB port for connectivity. Cosmetically, they are in good condition with a few scratches on the back.