Top 6 innovative keyboards
6. Logitech Wireless Solar Keyboard K750
This 1.6-pound wireless keyboard gets charged from sunlight or indoor lighting, so it does not need batteries. One can download software to monitor the charge level and measure available room lighting. You can also program keys for quick access to e-mail and your desktops search window and calculator. It is available at a price of 
3600.
3600.
