With the same click feel and 90% noise reduction* compared to classic mice, M220 SILENT 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-metre 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 with Logitech M170. Measured by an independent lab and verified by Quiet Mark„¢. **Actual battery life and wireless range may vary based on your use.