Comfortable - Ergonomic design Good Design - The enhanced design helps reduce the strain in your fingers and wrists, The compact size allowing for more space when you play Working Distance - For the keyboard and mouse combo the wireless support is between 8-10m Nano Receiver - The wireless nano receiver allows you to easily take your keyboard and mouse anywhere without damaging them Compatibility - Supports Windows 98SE / ME / 2000 /XP / 7 / 8 / 10 / MAC OS. Imported from UK. Colour Name:Black The WS880 is your ideal partner for a better gaming experience. With the supplied 2.4 GHz, installation free wireless nano adapter means you can now enjoy a wire-free enhanced multimedia and gaming keyboard. And to help give you a complete all in-one solution we have bundled a high quality, optical 3-button mouse with a curved sculpture for a more comfortable fit, even after extended game play. The complete package is not just ideal for gamers, but also general computer users too. Colour-coded keys as used by the majority of games and other key apps, extended internet and multimedia shortcuts, all bundled with a completely driver less wireless USB nano adapter which is compatible with almost all operating systems and hardware.