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 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 warr