Our innovative SilentTouch technology removes over 90%Click and typing noise reduced by over 90% compared to Logitech MK270. Left click and typing dBA level measured by an independent lab at 1 meter. of disruptive sounds for you and those around you—all while keeping the familiar typing and clicking feel of the world’s bestselling comboBased on independent sales data (in units) including all the models of the MK270 family for wireless combo aggregated from major markets: CA, CN, FR, DE, ID, KR, RU, SE, TW, TH, TR, UK, US (Apr'18 - Apr'19). Retail channel only.