Sony VAIO Wireless Keyboard Kit - keyboard, mouse, touchpad (VGP-WKB1) Features include an LCD, Num Lock, Caps Lock and Scroll Lock indicators, and a handy low-battery warning. For extra convenience, control volume with function key combinations, while the batteries fit away neatly on the underside. With up to 800 dpi tracking resolution, the VAIO(R) wireless mouse has thwice the resolution of most conventional mouse devices It connects to your VAIO(R) via a USB cable