Walmart has the Logitech K400 Wireless Touch Keyboard in black, 920-003070, for $14.99 for a limited time. Shipping adds $5.99 or you can opt to have it shipped to a local Walmart store for pickup for Free. Shipping is also Free if you can pad your order to $35 or more.
The Logitech Wireless Touch Keyboard K400 has a 10-meter (33 feet) wireless range and a large, built-in 3.5″ multi-touch touchpad, and media hot keys for total control when connecting your laptop to your TV.