The Logitech MX Ergo Plus advanced wireless trackball mouse reduces muscle strain compared to a regular mouse. The Logitech MX Ergo Plus advanced wireless trackball mouse connects with Bluetooth-enabled devices or computers using the Logitech Unifying receiver. Customizable and adjustable features let you change the mouse to fit your hand comfortably, which reduces fatigue and increases productivity at the office. Easily switch between computers thanks to the wireless connectivity that improves workflow. Advanced tracking leads to precise and accurate movements on the screen, while rechargeable power reducing the need to buy batteries on a regular basis. Trackball mouse for precise and accurate movements. Wireless and Bluetooth connectivity to customize your desktop set-up. Eight customizable buttons execute frequently used commands with a single touch. Adjustable trackball for comfort grip. Unifying receiver requires Windows 7 or later and Mac OS X 10.12 or later, while Bluetooth connection works with Windows 8 or later and Mac OS X 10.12 or later. Recharges with micro-USB cable for convenience. Advanced optical tracking and precision mode button switches between speed and precision depending on your needs. Life of 10 million clicks for durability. Sculpted shape fits your hand more comfortably. One year limited hardware warranty for peace of mind. Wireless ConnectivityPlug in the Logitech Unifying receiver using the included USB cord when you want to use other Logitech devices in concert with this mouse. Use the Bluetooth capability for a strong connection. This FLOW-enabled device lets you switch effortlessly from one computer to another. It also lets you copy and paste text, photos and files from one screen to another to optimize your workflow.Ergonomic DesignThe adjustable trackball angle tilts from 0 to 20 degrees thanks to a hinge on the mouse.