Bluetooth Wireless Laser Keyboard

Overview:
The projection keyboard will work through the Bluetooth HID. Connect to major devices such as tablet PCs, smartphones, desktop computers, and video games.
As a new input device, use the built-in infrared laser launcher to project the standard keyboard on the working surface
You can find the click location and enter the information by optically recognizing it.
No physical keyboard, small size, easy to carry, this projection keyboard can adapt to most of the work environment.
For devices...