Forget about distracting clicking sounds. M220 reduces over 90%. Sound level comparison between Logitech M220 and Logitech M170. Left click dBA measured by an independent lab at 1m. of noise, creating a quieter and more productive environment for you and those around you. The small size and smooth cursor control make it great for tight workspaces and busy desks. Stay focused on your work without noise distractions. Logitech’s own SilentTouch Technology reduces over 90%. Sound level comparison between Logitech M220 and Logitech M170. Left click dBA measured by an independent lab at 1m. of clicking sounds, all while ensuring the mouse performs its best. That means you can feel every single click but hear virtually nothing. Stay productive longer with the comfortable, contoured shape that follows the natural curve of your hand. Compact and wireless, the mouse fits easily with your laptop in a bag—so you can take it anywhere you work. M220 is designed to be equally comfortable for both left- and right-handed users.