Logitech Wireless Solar Keyboard K750 for Mac (Silver)
Amazon.com: K750 Thin Solar Wireless Keyboard : Electronics
Logitech K750 Wireless Solar Powered Keyboard
Logitech K750 Wireless Solar Keyboard for Windows, 2.4GHz Wireless with USB Unifying Receiver, Ultra-Thin, Compatible with PC, Laptop - Black - Newegg.com
Logitech K750 Wireless Solar Keyboard for Windows, 2.4GHz Wireless with USB Unifying Receiver, Ultra-Thin,