Wireless K400 Keyboard with Built-In 3.5 inch Multi-Touch Touchpad — 33 feet/10 meter Range, Unifying Receiver

The K400 wireless keyboard includes a large 3.5 inch multi-touch touchpad for smooth, intuitive web navigation. With a wireless range of up to 33 feet/10 meter, you can control a laptop connected to your TV from the couch. Plug the tiny Unifying wireless receiver into your laptop’s USB port and begin browsing immediately. Compatible with Windows 7, Windows Vista and Windows XP.