Amazon has the Logitech K760 Wireless Bluetooth Solar Keyboard for just $50 with free shipping. That is a total savings of nearly 38% off the retail price of $80 and the lowest price we have ever seen for this versatile keyboard. This keyboard is able to charge itself from lamplight or sunlight, indoors or outdoors. It can even operate for 3 months in a dark room off a single full charge. The Easy-Switching Bluetooth connection supports up to 3 unique devices. Compatible with most Bluetooth devices including the iPhone, iPad, and Mac. 9to5mac reviewed an earlier version of this keyboard and loved it.