Logitech M331 Wireless Mouse - Silent Select Warranty:1 Year Warranty Sensor technology: Logitech High Precision

Sensor technology: Logitech High Precision Optical Tracking

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Logitech M331 Wireless Mouse - Silent Select Warranty:1 Year Warranty Sensor technology: Logitech High PrecisionLESS NOISE, MORE FOCUS Stay focused on your work without noise distractions. Logitechs own SilentTouch Technology reduces over 90%7Sound level comparison between Logitech M330 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. ALL DAY COMFORT M331 SILENT PLUS is a result of Logitechs expertise