Buttons Number of Buttons: 6 (Left/Right-click, Back/Forward, Middle button, Scroll-wheel with middle click) Customization app Supported by Logi Options+ on Windows and macOS Available on Windows and macOS at logitech.com/optionsplus Battery Battery type: 1x AA battery (included) Battery life: up to 24-months Battery life may vary based on user and computing conditions. Connection type support Logi Bolt USB receiver (included) Bluetooth Low Energy Technology Wireless range 10-m wireless range Wireless range may vary depending on the operating environment and computer setup. Sustainability Graphite plastics: 70% post-consumer recycled material Excludes plastic in receiver, battery, printed wiring assembly (PWA), and FFC cable Off-white and Rose plastics: 54% post-consumer recycled material Excludes plastic in receiver, battery, printed wiring assembly (PWA), and FFC cable Paper Packaging: FSC-certified and recyclable 6This packaging may not be recyclable in your area. Certified carbon neutral Bluetooth Low Energy Windows 10, 11 or later macOS 10.15 or later iPadOS 14 or later Device basic functions will be supported without additional drivers for operating systems other than Windows and macOS ChromeOS Device basic functions will be supported without additional drivers for operating systems other than Windows and macOS Linux Device basic functions will be supported without additional drivers for operating systems other than Windows and macOS Android 8 or later Device basic functions will be supported without additional drivers for operating systems other than Windows and macOS Engineered for Intel Evo Laptops