M220 Silent Wireless Mouse?- Grey Black

SILENCE IN EVERY CLICK
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.
 

LESS NOISE, MORE FOCUS
Stay focused on your work without noise distractions. Logitech?s own SilentTouch Technology reduces over 90%5Sound 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.