TECHNICAL SPECIFICATIONSSensor technologySensor technology: Logitech Advanced Optical TrackingNominal value: 400 dpiMax value: Up to 2000ButtonsNumber of buttons: 5 (Left/Right-click, Back/Forward, Scroll-wheel with middle click)BatteryBattery type: 1 x AA battery (included)Battery life with Unifying USB Receiver: up to 24-month 9It may vary based on use and computing conditions.Battery life with Bluetooth: up to 20-month 10It may vary based on use and computing conditions.Connection TypeUSB ReceiverBluetooth Low Energy TechnologyWireless range: 10 m wireless range 11Wireless range may vary depending on operating environment and computer set upOptional softwareSupported by Logitech Options on macOS 10.14 or later and Windows 7, Windows 10 or later.SustainabilityGraphite plastics: 50% post-consumer recycled material 12Excludes printed circuit board (PCB) plastic.Off-white plastics: 21% post-consumer recycled material 13Excludes printed circuit board (PCB) plastic.Paper Packaging: FSC™-certified