Customized Comfort
• Finally a trackball you can truly call your own. A unique adjustable hinge allows you to choose the best angle between 0° and 20° for a more natural hand position and greater comfort.Advanced Tracking and Precision Mode Button
• Change the speed and accuracy of your cursor for optimal control with a press of a button.

Precision Scroll Wheel with Tilt
• Get things done faster with quick access to shortcuts. The precision scroll wheel features horizontal scrolling and a convenient middle click.

Effortless Multi-Computer Workflow
• Connect and work on two devices at the same time and easily switch between them. Boost your cross-computer experience with Logitech FLOW technology. Copy and paste text, images and files between computers*. *Requires Logitech Options software, available for download.

Long-Lasting and Fast Rechargeable Battery
• Battery holds power for up to 4 months on a full charge. One minute of charge gives up to a full day of use*. *Battery life may vary based on user and computing conditions.

• Dimensions MX Ergo Height x Width x Depth: 132.5 mm x 99.8 mm x 51.4 mm
• Weight: 164 g (without metal plate/without receiver)
• Weight: 259 g (with metal plate/without receiver)
• Unifying Receiver Height x Width x Depth: 18.4 mm x 14.4 mm x 6.1 mm
• Weight: 2 g
• Sensor technology: Logitech Advance Optical Tracking
• Number of buttons: 8
• Wireless Range: Approx. 10m
• Battery: Rechargeable Li-Po (500 mAh) battery