7 inch android tablet .4gb hard drive and 512mb ram

never used . 7 Inch Wi-Fi Tablet Computer Quad Core 512 + 4Gb Wi-Fi Custom Android Processor Features: 1. Multifunction: Multiple angles adjustable up to 180 degrees.  2. Convenient to use : Light weight and foldable.  3. Unique advantage: Displays tablet PC in both portrait and landscape modes.  Description: Perfect for reading or watching videos. Specifications: Color: black and blue Type: us Processor: ARM + DSP dual core Processor core: Quad core Life time: 7-9 hours Hard disk capacity: 4GB Size: 188*122*9.5mm Package Included: 1 * Tablet  1 * Data cable 1 * Manual