LOGITECH MX Ergo S Advanced Wireless Trackball – GRAPHITE Logitech MX Ergo S Form factor:Â Right-hand, Vertical design Movement detection technology:Â Optical Device interface:Â RF Wireless Bluetooth Movement resolution:Â 2048 DPI Buttons type:Â Pressed buttons Buttons quantity:Â 8 Scroll type:Â Trackball/Wheel Acceleration (max):Â 10 G Power source:Â Batteries

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