EEEKit 4in1 Office Kit for 7/8 inch Samsung Galaxy Tab E 7.0/Tab 4,3,2 7.0 inch Tablet, Folio Stand Protective Case Cover, Bluetooth Keyboard/Mouse, Stylus The office kit, designed to help you to use the tablet as a laptop Universal 8 inch protective case for ?7.4-8.34 in?L and ?4.33-5.43 in?W, protecting the tablet from water, dust as well as scratch Ultra thin Bluetooth Keyboard, compatible with three systems: Android, ios, Windows, Operation distance: Up to 30 feet 2.4G wireless optical mouse powered by two AAA batteries (not included). Adjustable DPI/CPI switched between 800, 1000, 1200, and 1600 DPI Stylus ball pen, responsive as your fingers with the lastest technology, durable soft tip, no harm to the screen. Turn to a ball pen when you twist it when you taking down note.