Staples offers the Logitech K360 Wireless Compact Keyboard, model no. 920-004088, for $14.99. Plus, Staples Rewards members qualify for free shipping. (Not a member? Click here to sign up for free.) That's tied with our mention from a month ago and the lowest total price we could find today by $4. It features 12 programmable F-keys, six hot keys, and a 3-year battery life. Deal ends March 18.