LARGE BOLD PRINT: Large 1-centimetre high characters on the black keyboard are ideal for people with low vision, and the high colour contrast between black keys and white lettering helps prevent mistyping. ENHANCED LAYOUT: The wired keyboard has 105 keys, providing a familiar and comfortable computer keyboard layout for everyday use. PLUG AND PLAY: Simply connect the USB plug to your device to start using it as a key board for laptop or desktop computer, no special software required. COMPATIBILITY: This large print keyboard is compatible with Windows XP / Vista / 7 / 8 / 10 and can be used with both laptops and desktop computers.