Meritline offers the factory-refurbished Logitech MK710 Wireless Desktop, model no. 920-002416, for $54.99. Coupon code "MLCF27HN" drops it to $39.99. With free shipping, that's the lowest total price we could find by $3, although we say it for $5 less this summer. This mouse and keyboard set features an ergonomic design and 2.4GHz wireless. A 90-day Logitech warranty applies.