Compare Logitech Deluxe 660 Keyboard and Mouse (920-000477) to Genius SlimStar 820 Solargizer Keyboard and Mouse (31340128105)

The solar keyboard was designed to transform the light source into keyboard operational power and apart from the solar energy supplied, there are also two more back up sources; the USB cable charger and battery; this will prevent any power shortage in absence of any light. With onboard 17 hotkeys; it provides instant control of media sources, one-touch keys for office tool to fulfill all the requirements you need to work efficiently.The mouse has ultra power saving technolgy for a continuous operation for up to 15 months. The SlimStar 820 Solargizer is the product of true innovation that enhances your PC operation and complies with the green protection concept. Less