Logitech K750 USB RF Wireless Slim Solar-Powered Keyboard (Mac) for $39.99 shipped.  Here is a screenshot for your reference.  The keyboard features solar-power cells so that you will never need to replace batteries. Logitech Wireless Solar Keyboard K750 in Silver for $39.99 shipped Logitech Wireless Solar Keyboard K750 in Pink for $39.99 shipped Logitech Wireless Solar Keyboard K750 in [...]