wireless bluetooth laser keyboard is an innovative device that uses 3D data recognition technology. it is a very good helper for tablet or mobile phone. working with the help of mobile phones is normal these days. but carrying a heavy laptop is not convenient. this keyboard will solve the problem. the device projects a full-size keyboard onto any flat surface. as well as a 5200 mah built-in charging battery will help you charge your gadgets. bluetooth keyboard - convenient, modern and affordable!