Dimensions
Signature M650
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Height: 108.2 mm
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Width: 61 mm
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Depth: 38.8 mm
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Weight: 101.4 g
Signature M650 L
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Height: 118.7 mm
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Width: 66.2 mm
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Depth: 42 mm
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Weight: 115.4 g
Technical Specifications
Sensor Technology
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Sensor Technology: Logitech Advanced Optical Tracking
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Nominal value: 400 dpi
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Max value: Up to 4000
Buttons
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Number of Buttons: 5 (Left/Right-click, Back/Forward, Scroll-wheel with middle click)
Customization app
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Supported by Logi Options+ on Windows and macOS 1Available on Windows and macOS at logitech.com/optionsplus
Battery
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Battery type: 1 x AA battery (included)
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Battery life with Logi Bolt USB Receiver: up to 24-months 2It may vary based on use and computing conditions.
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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
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Bluetooth Low Energy Technology
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Wireless range: 10 m wireless range 4Wireless range may vary depending on operating environment and computer set up
