M221 SILENT WIRELESS MOUSE
SilentTouch Technology
90% noise reduced Left/Right-click, Middle click 1Sound level comparison between Logitech M221 and Logitech M170. Left click dBA measured by an independent lab at 1m.
SilentTouch Technology
90% noise reduced Left/Right-click, Middle click 1Sound level comparison between Logitech M221 and Logitech M170. Left click dBA measured by an independent lab at 1m.