LEING FST Virtual Laser Keyboard Bluetooth Wireless Projector Phone Keyboard For Computer Pad Laptop With Mouse FunctionOverview: Using a new independent research and development algorithm to deal with the chip A80, the A80 algorithm chip can effectively identify 7 different points at the same time, the change is to better improve the anti interference of the keyboard, so that the sensitivity and accuracy of the keyboard input are compared. The previous generation has a significant improvement. At the same time, the mouse mode also supports the enlargement and