We have already covered how you can pair a Bluetooth keyboard with your Kindle Fire HDX and other tablets. Not everyone wants to carry a big Bluetooth keyboard around. This Virtual Laser Projected Bluetooth Keyboard is as compact as keyboards can get. It does not have any physical keys but projects a full size 78-key laser keyboard onto any flat surface. It can be connected via Bluetooth or USB.
This keyboard has a mouse mode, so you can use it like a fancy trackpad. Its volume, brightness, and many other settings are customizable. You don’t need to drive any driver to use this. As long as your tablet runs Android 2.0, iOS 2.0, or above, you should be fine with this.[where to get it]