ENJOY THE SOUND OF SILENCE With the same click feel and over 90% noise reduction on the click sound, enjoy a quiet experience for you and your neighbors. Plus, it has feet made of high performance material and a rubber wheel for quiet gliding and scrolling. CRAFTED FOR YOUR RIGHT HAND Designed with curved lines that provide a place to rest your thumb and improve control. 24-MONTH BATTERY LIFE Go longer between battery changes thanks to energy efficient engineering. M331 SILENT PLUS automatically puts itself to sleep when not in use. SIMPLE. RELIABLE. STRONG. Enjoy a wireless connection up to 10m away thanks to a plug-and-forget nano receiver. M331 SILENT PLUS features Logitech Advanced Optical Tracking for ultra precise moves on almost any surface. No hassle, no software needed. Works with Windows, Mac, Chrome OS or Linux-based computers. QUIET MARK CERTIFICATION Logitech is the first mouse company in the world to receive the Quiet Mark certification. This international mark of approval from the UK Noise Abatement Society recognizes technology designed to reduce noise.