• With the same click feel and over 90% noise reduction on the click sound, enjoy a quiet experience for you and your neighbors.
• Designed with curved lines that provide a place to rest your thumb and improve control.
• Go longer between battery changes thanks to energy efficient engineering. M331 SILENT PLUS automatically puts itself to sleep when not in use.
• Enjoy a wireless connection up to 10m away* thanks to a plug-and-forget nano receiver.