Waterproof keyboard design A thin membrane protects the internal components and allows you to fully immerse your keyboard in water to clean it from food and drink debris or any other unwanted substances (Note: USB connector must not get wet) Full-size keyboard With 6 rows of keys including a numeric keypad, the layout is ideal for the touch typist looking for comfort and responsiveness Wired USB connection Provides direct and reliable connection for continuous performance and eliminates the need for batteries Lifetime limited warranty Built to last, this could be the last keyboard you ever have to buy and we’ll replace or fix it if something goes wrong Compatible with Windows 95/98/NT/2000/XP/Vista/7/8, 104 Key layout, Standard size, Black color, USB connection. Can safely stand up to immersion or frequent use of spray cleaners (USB connector cannot get wet) Wired, reliable USB connectivity without the need for batteries Built to last with a limited lifetime warranty Full-size 104-key layout Compatible with Windows 10, 8. 1, 8, 7 and Mac OS X 10. 6 and later Black keyboard with 104-key layout