Perixx PERIBOARD 322 Large Trackball Mechanical Keyboard 55 mm Trackball, Tilt Scrolling Wheel, 2 Hubs,RGB Backlit,US English Layout

Dynamic backlit feature offers 6 different Lightning Effect; 2 x USB 2. 0 hubs are built in the keyboard The glossy surface offers smooth movement, Perfect for Fast moving and multiple screens control work Easy to removed and clean the trackball by taping it from the bottom hole of the keyboard, using the blunt side of a pencil or a pen System requirements: Windows 7, 8, 10; wired USB connection; package includes: 1 x periboard-322; 12-month limited Mechanical Keyboard with built-in 2. 17 inch (55mm) large trackball and tilting scroll wheel.Hot key can be enabled by pressing they FN key, E. G. Easily adjust the sensitivity of the trackball movement by FN+F9, fn+f11 to adjust brightness