With the same click feel and 90% noise reduction* compared to classic mice Logitech SILENT Mouse offers a quiet experience for yourself and those around you. It has a long-lasting 18-month battery life with auto-sleep and a powerful 10-meter wireless range with 128-bit encryption between the mouse and the receiver. Plus its small size is perfect to toss in a bag and go. Just plug the tiny USB receiver and it works with Windows® Mac® Chrome OS™ or Linux®. Finally the Logitech® Advanced Optical Tracking is designed for smooth and precise moves on almost any surface. *Sound level comparison between Logitech SILENT and Logitech M170. Measured by an independent lab and verified by Quiet Mark.TM