The ADESSO Tru-Form Media 3150 2.4 Ghz Wireless Ergo Trackball Keyboard WKB-3150UB is a compact and ergonomic keyboard designed for use with laptops, desktops, and Chromebooks. It features a trackball for precise cursor control and a wrist rest for added comfort. The keyboard is wireless with a range of 9.144 feet and operates on AAA batteries. With multimedia integration, quiet keys, and built-in battery, this Adesso keyboard offers a convenient and efficient typing experience. Its sleek black design and amofferextrous hand orientation make it a versatile option for any computer setup.