"Perfect for controlling your PC from the comfort of your sofa, the Logitech K400 Plus Wireless Keyboard features an integrated touchpad that makes controlling your entertainment a breeze, so you won't need to attach a separate mouse. It's designed for use with Windows, Android and Chrome operating systems for plenty of choice for your entertainment.It includes the tiny Unifying receiver, which simply plugs into your PC's USB port. This can be used to connect up to six Unifying devices to your PC.Wireless designThanks to the wireless design, you won't get tangled in wires while you're using your keyboard. The 10 m range means that you can use the K400+ without worry of delay or dropouts, even in large rooms.Easy to useSimply connect the K400 Plus Keyboard to the PC connected to your TV and you're ready to go. It cuts out the hassle of a separate keyboard and mouse, and the quiet and comfortable keys mean you can use your keyboard without interrupting your entertainment.There are easy-access buttons to control the volume, and arrow keys make selecting content simple. There are even shortcuts for Windows and Android users.The large 3.5"" touchpad lets you use your keyboard instead of a mouse, letting you navigate through content quickly and simply. Using the downloadable Logitech Options software, you'll be able to personalise key and touchpad settings to suit the way you use your keyboard.Long battery lifeA lengthy 18 month battery life means that you're saved the hassle of constantly replacing batteries. The on/off switch lets you turn the keyboard off when you're not using it, prolonging battery life.Get to the videos you want to watch quickly and easily using the Logitech K400 Plus Wireless Keyboard."