Staples is offering the Logitech Bluetooth Illuminated Keyboard K810 for $45 with free shipping. A total savings of 55% off the retail price of $100, the lowest price we’ve ever seen. The K810 features Laser-etched backlit keys for precision typing even in low-light environments. Most notably, this keyboard connects to up to 3 Bluetooth devices and can switch between them with the click of a button. Compatible with all Bluetooth devices but has Windows-specific keys. 9to5Mac reviewed the Mac version of this keyboard and praised the look/feel of the illuminated keys and ease of use thanks to the Easy-Swtich feature. 275 Amazon reviewers rate it a stellar 4.5 stars.