Ergonomic Trackball Keyboard (US, QWERTY) Create your writing experience with configurable, illuminated keys that can be used both day and night. Take command with special multimedia keys for effortless control of your media. The ergonomic design includes a precise trackball to relieve the strain on your wrists, complemented by customisable DPI settings for unsurpassed cursor control. Made from high-quality materials, the keyboard is robust yet lightweight and suitable for both busy office operations and quiet home environments. Main characteristics