A compact keyboard with integrated touchpad puts all your controls in a single device. Enjoy your entertainment without the clutter of multiple devices. A wireless range of 10m (33') enables a responsive, uninterrupted connection in even the largest rooms. Watch video, stream music, connect with friends, browse web pages and more without annoying delays or dropouts. The familiar key layout eliminates the learning curve so you already know how to use the K400 Plus. Your media interactions are enhanced with comfortable keys, easy-access volume controls, and an arrow-key layout that simplifies navigation. A second left-click button permits two-hand navigation and selection. Shortcuts simplify control for Android and Windows users. Hot keys work right from the box with no configuration is required. Keyboard includes a unifying receiver, two AA batteries (pre-installed) and user documentation.A compact keyboard with integrated touchpad puts all your controls in a single device. Enjoy your entertainment without the clutter of multiple devices. A wireless range of 10m (33') enables a responsive, uninterrupted connection in even the largest rooms. Watch video, stream music, connect with friends, browse web pages and more without annoying delays or dropouts. The familiar key layout eliminates the learning curve so you already know how to use the K400 Plus. Your media interactions are enhanced with comfortable keys, easy-access volume controls, and an arrow-key layout that simplifies navigation. A second left-click button permits two-hand navigation and selection. Shortcuts simplify control for Android and Windows users. Hot keys work right from the box with no configuration is required. Keyboard includes a unifying receiver, two AA batteries (pre-installed) and user documentation.