Texet Wireless Keyboard and Mouse Combo. Advanced 2.4hhz wireless technology. 78 key mini keyboard. UV oil coated key caps that never fade. Anti dust design. 4 button mouse. Optical sensor with adjustable dpi. Ergonomically designed to be used with both left and right hand. USB mini receiver with up to 10m working distance. Fully compatible with Windows 2000 / NT / XP / VISTA / 7 / 8 / MAC.