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