Plug and play wireless keyboard with integrated touchpad to control the PC connected to the TV in complete comfort from the sofa. K400 is a silent and easy-to-use keyboard, equipped with a built-in touchpad and all the dedicated Windows and Android keys most appreciated by users. Complete with multimedia controls that make navigating your PC-controlled TV extremely simple. Thanks to the integrated touchpad, you can type and navigate using a single device. The K400 makes navigating your PC-controlled TV easier, as it eliminates the need to connect your keyboard and mouse separately (or get up from the couch). So you can watch videos, browse the web or chat with friends without interruption. K400 is built to the high-quality standards that have made Logitech a world leader in mouse and keyboard manufacturing. Battery life varies based on frequency and type of use, on average it is around 18 months. Eliminate the hassle of having to frequently replace the battery, thanks to the practical on/off switch and energy saving technology, designed to extend battery life. Comfortable, quiet keys and a large touchpad make it easy to navigate your entertainment system, and thanks to the small, plug-and-play USB Unifying receiver, setup is a breeze, too. Powerful, lag-free wireless technology offers a maximum range of 10 meters. You can start using it right away or customize the controls with Logitech Options software. Preset controls let you adjust the volume, make selections, or use your favorite Windows and Android shortcuts with ease. Italian layout.