Seems to be a good deal. Same price as officeworks.
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
Technical 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 1Available on Windows and macOS at logitech.com/optionsplus
Battery
Battery type: 1 x AA battery (included)
Battery life with Logi Bolt USB Receiver: up to 24-months 2It may vary based on use and computing conditions.
Battery life with Bluetooth®: up to 20- months 3It may vary based on use and computing conditions.
Connection Type
Connection Type: Logi Bolt USB Receiver
Bluetooth Low Energy Technology
Wireless range: 10 m wireless range 4Wireless range may vary depending on operating environment and computer set up
Sustainability
Graphite and Black plastics: Minimum 64% post-consumer recycled material 5Excludes receiver and printed wiring assembly (PWA) plastics, and packaging.
Red and Blue plastics: 57% post-consumer recycled material 6Excludes receiver and printed wiring assembly (PWA) plastics, and packaging.
Off-white and Rose plastics: Minimum 26% post-consumer recycled material 7Excludes receiver and printed wiring assembly (PWA) plastics, and packaging.
Certified carbon neutral.
I returned this to Amazon and it only cost 15.. it's not worth it imho