Stem Tech via eBay offers the refurbished Logitech MX800 Wireless Keyboard and Mouse Set for $89.99. Check out via PayPal and apply code "P20FINDYOURTECH" to cut it to $71.99. With free shipping, that's $38 under the lowest price we could find for a new one. The keyboard features illuminated keys with smart backlighting and includes a unifying receiver. Deal ends May 18.

Note: This coupon can be used once per PayPal account within a single transaction. Also, a 90-day warranty applies, but it's unclear who backs it.