TECHNICAL SPECIFICATIONS Sensor technology Sensor technology_ Logitech Advanced Optical Tracking Nominal value_ 400 dpi Max value_ Up to 2000 Buttons Number of buttons_ 5 (Left/Right-click, Back/Forward, Scroll-wheel with middle click) Battery Battery 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 Type USB Receiver Bluetooth Low Energy Technology Wireless range_ 10 m wireless range 11Wireless range may vary depending on operating environment and computer set up Optional software Supported by Logitech Options on macOS 10.14 or later and Windows 7, Windows 10 or later. Sustainability Graphite 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 DIMENSIONS Trackball Mouse H x W x D_ 134 x 100 x 48 mm Weight_ 145 g USB Receiver_ Height_ 23.1 x 18.7 x 6.1 mm Weight_ 1.8 g SYSTEM REQUIREMENTS Bluetooth_ Windows® 10,11 or later, macOS 10.15 or later, iPadOS 14 or later USB Receiver Windows 10,11 or later macOS 10.15 or later PACKAGE CONTENTS ERGO M575 Wireless Trackball Unifying USB Receiver Quick Start Guide