- Upgrade to smarter scrolling, better comfort, and more productivity. The Signature M650 features SmartWheel scrolling that delivers precision or speed the moment you need it. SMARTWHEEL SCROLLING - Make scrolling work for you with Logitech SmartWheel. Get line-by-line precision when you need to focus on the details, and scroll super fast when you just want to breeze through lengthy pages. Automatically switch modes with the flick of your finger. We’re creating a better future for our planet and society - Discover how Logitech is pioneering new ways of working to design for a sustainable and equitable world – and how everyone can play a part. Specifications Sensor Technology - Sensor Technology: Logitech Advanced Optical Tracking - Nominal value: 400 dpi - Max value: Up to 4000 Buttons - Number of Buttons : 5 (Left/Right-click, Back/Forward, Scroll-wheel with middle click) Customization app - Supported by Logi Options+ on Windows and macOS Battery - Battery type: 1 x AA battery (included) - Battery life with Logi Bolt USB Receiver: up to 24-months - Battery life with Bluetooth: up to 20- months Connection Type: Logi Bolt USB Receiver - Bluetooth Low Energy Technology - Wireless range: 10 m wireless range Sustainability - Graphite and Black plastics: Minimum 64% post-consumer recycled material - Red and Blue plastics: 57% post-consumer recycled material - Off-white and Rose plastics: Minimum 26% post-consumer recycled material - Certified carbon neutral System Requirements Logi Bolt USB Receiver - Required: Available USB Port , Windows 10, 11 or later, macOS 10.10 or later, Linux ChromeOS Bluetooth Low Energy - Required: Bluetooth Low Energy wireless technology , Windows 10, 11 or later , macOS 10.15 or later , Linux, ChromeOS - iPadOS 13.4 or later, Android 5.0 or later, Engineered for Intel Evo Laptops - Internet access required to download optional customization app Logi Options - Warranty Information: 2-Year Limited Hardware Warranty Dimensions - Signature M650 - Height: 108.2 mm - Width: 61 mm - Depth: 38.8 mm - Weight: 101.4 g - Signature M650 L - Height: 118.7 mm - Width: 66.2 mm - Depth: 42 mm - Weight: 115.4 g - Signature M650 L Left - Height: 118.7 mm - Width: 66.2 mm - Depth: 42 mm - Weight: 115.4 g