Features Compact 1U Design This keyboard is designed according to EIA-RS 310C specification, which is considered the standard specification for 19" racks. This makes the AKB-425UB practically mountable to any rackmount drawers and meets many of the industrial environment requirements. Built-in GlidePoint TouchPad (By Cirque) Featuring a GlidePoint touchpad by Cirque, the AKB-425UB supports essential gestures such as scrolling, tap to click, and dedicated left and right click buttons, all with pinpoint precision. Featuring a GlidePoint touchpad by Cirque, the AKB-425UB supports essential gestures such as scrolling, tap to click, and dedicated left and right click buttons, all with pinpoint precision. Membrane Key Switch The quiet membrane keys offers you fast and comfortable typing and a lifecycle of more than five million keystrokes per key. Embedded Multimedia and Internet Hotkeys Control your home entertainment functions with the built-in multimedia and internet features on the keyboard. Plug-and-Play Simply plug the Trackball keyboard into a USB port and you will be up and running. No drivers required.