Amazon offers Prime members the Logitech K400 Wireless Touch Keyboard, model no. 920-003070, for $19.97 with free shipping. (Non-members can spend over $35 for free shipping; otherwise, shipping adds $9.16.) That's tied with our mention from three weeks ago and the lowest total price we could find by $8. It features a 33-foot wireless range, built-in 3.5" touchpad, and media hot keys.