The Adesso WKB-3500UB 2.4Ghz Wireless Desktop Ergonomic Trackball Keyboard is a sleek and ergonomic keyboard designed for comfortable use. It features a built-in trackball for precise cursor control and wireless connectivity for convenience. The QWERTY layout and English language settings make it easy to use for everyday tasks. The black color and plastic material add a modern touch to any workspace. This keyboard from Adesso is a reliable choice for those looking for a comfortable and efficient typing experience.