Genius SlimStar T8020 Wireless Multi-TouchPad 31320010101 Black USB RF Wireless Slim Keyboard System Requirement: Windows 8 / 7 / Vista / XP Intel/AMD processor 500 Hz or above Available USB port Dimensions: Body size (LxWxH) cm : 36.5 x 12.4 x 1.8 Package Contents: Wireless Multi-TouchPad Keyboard Pico USB Receiver 2 x AAA Batteries Multi-Language User Manual