Quieter Click: Logitech’s SilentTouch Technology reduces over 90 percent of clicking sounds – ensuring top performance while contributing to a quieter working environment Crafted for Comfort: Design with naturally shaped contoured grips, the M330 SILENT wireless mouse is built for long-lasting comfort and functionality for right-handed users Long Battery Life: M330 SILENT has a 18-month battery life and power saving auto-sleep mode; it allows you to focus on your work without the hassle of changing batteries (1 x AA included). *Battery life may vary based on use and computing conditions. Advanced Optical Tracking: With a wireless range of up to 33 ft (10m)(3), this quiet computer mouse provides high-performance precision and smart cursor control on most surfaces Plug and Play: M330 SILENT comes with a USB-A receiver that’s compatible with most operating systems including Windows, macOS, ChromeOS, and Linux Upgrade to Signature M650.