Put the future at your fingertips with this virtual laser keyboard. This revolutionary laser technology projects a virtual keyboard on any flat surface, including your desk, and the advanced optics track your fingers like magic. It connects via Bluetooth® wireless technology, allowing you to easily connect it with your Apple or Android smartphone, laptop or tablet. It’s powered by a rechargeable li-ion battery (USB cord included).
Source : http://www.itbusinessedge.com