Mouse Element MS-30 is a compact mouse equipped with a well-functioning 1200dpi optical sensor which enables quick response and high accuracy. Extremely ergonomic design of DIGITAL ELEMENT MS-30 ensures smooth and precise operation for many hours.Optical wired mouse USB interface Optical sensor Perfect ergonomic design 1200 dpi resolution Dimensions: 100x65x35mm Weight:75gr Compatible with windows 98/2000/XP/Vista/7/8/10/MAC