Media-Friendly : The K400 plus wireless touchpad keyboard gives you integrated, comfortable, laid-back control of your PC-to-TV entertainment, eliminating the clutter of a separate keyboard and mouse - all from the comfort of your couch.Key Life: Up to 5 million keystrokes Plug-and-Play : Works straight out the box, just plug the Unifying mini-receiver into a USB port and the wireless touchpad keyboard is ready to go - then adjust controls using the Logitech Options Software to save your preferred settings Power-Packed : Built with laid-back control in mind, this wireless keyboard with touchpad has a reliable and long battery life of up to 18 months, including an on-off button to help it go even further Wireless Freedom : Designed for seamless comfort and control, this tv keyboard boasts a range of up to 10 m (33 feet) wireless connectivity ensuring uninterrupted use, with quiet keys and a large touchpad for easy navigation Reliable Durability : The Logitech wireless keyboard with touchpad comes with a 2-Year manufacturer warranty, ensuring worry-free user experience and long-lasting performance Upgrade to Logitech K830 Keyboard for increased comfort : Illuminated keys, USB/Bluetooth connectivity and rechargeable battery