E-Element E320 2.4GHz Wireless Super Thin Multimedia Keyboard and Mouse Combo Chocolate Keys for Desktop Laptop, Up to 30m Wireless Transmission (Black) 2.4G Transmission distance for more than 30 meters 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 1000 to 1500 to 2000 DPI.Quick and easy plug-n-play functionality-Just plug in the USB cords and your keyboard and mouse are ready to use Ergonomic chocolate wireless keyboard with 104 keys, fabulous touch, flexible operation Compatible with Windows98 WindowsME WindowsNT WindowsXP Vista Win7. win8.10 .Mac