Upgrade to smarter scrolling, better comfort, and more productivity with the Signature M550The versatile mouse features an adaptive scroll SmartWheel that delivers line-by-line precision and auto-switches to super fast free spin mode with the flick of a finger. A choice of sizes for smaller and larger hands means there's a perfect fit for anyone. Seamless wireless connectivity and a comfort shape keep you comfortable and productive hour after hour. Logitech’s SilentTouch technology delivers silent clicks to keep you focused – while 24-month battery life and universal operating system compatibility ensure hassle-free performance.•Dimensions (Overall): 7.32 Inches (H) x 5.08 Inches (W) x 3.15 Inches (D)• Weight: .3 Pounds• Electronics Features: Scrolling Wheel• USB Connection• Wireless• Operating System Compatibility: Microsoft Windows• Linux• macOS• Google Chrome OS• Connection Types: USB-A• Wireless Technology: Bluetooth• Primary use: Business• Battery: 1 AA Alkaline• Required• Incl...