E-Element E710 Ergonomic 2.4GHz Wireless Multimedia Keyboard and Mouse Combo for Desktop LaptopUp to 36m Wireless Transmission (White) Built for gamers in mind:Avago A3000 optical sensor.Professional gaming engine drives for enhanced Keyboard: Dedicated multimedia keys for controlling volume and music Mouse: Smart Customizable Design-With just the touch of a button you can change the sensitivity from 800 to 1200 to 1600 DPI.Quick and easy plug-n-play functionality-Just plug in the USB cords and your keyboard and mouse are ready to use Waterproof: More drainage hole at back of keyboard is waterproof in an accident, more effectively protect keyboard;rgonomic Sleek ultrathin design, stylish appearance,convenient place. Try them once and you will be in love with them Compatible with Windows98 WindowsME WindowsNT WindowsXP Vista Win7. win8.10 .Mac