1. Introduction
The Logitech MX Ergo Plus Wireless Trackball Mouse is designed for enhanced comfort and precision, offering an alternative to traditional mice and touchpads. This renewed product has undergone professional inspection and testing to ensure it functions and appears like new. It is an advanced trackball device suitable for enthusiasts and power users seeking ergonomic solutions.

Figure 1: Angled view of the Logitech MX Ergo Plus Trackball Mouse, showcasing its ergonomic design and the prominent trackball.
2. Setup
2.1. Package Contents
- Logitech MX Ergo Plus Wireless Trackball Mouse
- Adjustable Hinge Base
- USB Unifying Receiver
- Micro-USB Charging Cable
- 1 Lithium-ion battery (pre-installed)

Figure 2: The Logitech MX Ergo Plus Trackball Mouse, its adjustable base, USB receiver, and charging cable as included in the package.
2.2. Initial Charging
Before first use, it is recommended to fully charge your MX Ergo Plus mouse. Connect the provided Micro-USB charging cable to the charging port on the front of the mouse and to a USB power source. A full charge can last for up to 2-3 months with typical 8-hour daily usage.

Figure 3: Front view of the MX Ergo Plus, highlighting the Micro-USB charging port.
2.3. Connectivity
The MX Ergo Plus offers versatile connectivity options:
- Logitech Unifying Receiver: Insert the USB Unifying Receiver into an available USB port on your computer. The mouse should automatically connect.
- Bluetooth: Ensure your computer's Bluetooth is enabled. Press and hold the Easy-Switch button (labeled '1' or '2') on the top of the mouse until the LED blinks rapidly. Select the MX Ergo Plus from your computer's Bluetooth device list to pair.
The Easy-Switch button allows you to seamlessly switch between up to two connected devices (e.g., two computers).
3. Operating the MX Ergo Plus
3.1. Ergonomic Adjustment
The MX Ergo Plus features an adjustable hinge base, allowing you to tilt the trackball mouse from 0 to 20 degrees for personalized comfort and reduced muscle strain. Simply detach the mouse from its magnetic base and reattach it at your preferred angle.

Figure 4: Side view illustrating the adjustable hinge mechanism of the MX Ergo Plus for ergonomic customization.
3.2. Trackball Control
Navigate your cursor by rolling the trackball with your thumb. The optical sensor provides precise tracking.
3.3. Button Functions
The MX Ergo Plus is equipped with 8 programmable buttons for enhanced productivity:
- Left/Right Click: Standard mouse clicks.
- Scroll Wheel: Scroll vertically. The scroll wheel also supports 4-way scrolling (vertical and horizontal tilt).
- Forward/Backward Buttons: Located near the left click button, these allow for quick navigation in web browsers or file explorers.
- Easy-Switch Button (1/2): Located below the scroll wheel, this button allows instant switching between two paired devices.
- Precision Mode Button: Located next to the trackball, pressing this button temporarily slows down the cursor speed for highly precise tasks, such as graphic design or detailed editing.

Figure 5: Top view of the MX Ergo Plus, detailing the placement of the scroll wheel, Easy-Switch buttons, and forward/backward buttons.
For advanced customization of button functions and Logitech FLOW multi-computer control, download the Logitech Options software from the official Logitech website.
4. Maintenance
4.1. Cleaning the Trackball
Over time, dust and debris may accumulate around the trackball, affecting its smooth operation. To clean:
- Gently push the trackball out from the bottom of the mouse using a pen or a similar blunt object.
- Wipe the trackball with a soft, lint-free cloth.
- Clean the inside cavity of the mouse, paying attention to the three small support points where the trackball rests. Use a cotton swab or a soft brush to remove any accumulated grime.
- Reinsert the trackball into the mouse until it clicks securely into place.
Regular cleaning ensures optimal performance and extends the lifespan of your trackball mouse.
5. Troubleshooting
5.1. Cursor Movement Issues
- Erratic or Stuttering Cursor: This is often caused by debris inside the trackball cavity. Refer to Section 4.1 for cleaning instructions.
- No Cursor Movement:
- Ensure the mouse is powered on.
- Check battery level and charge if necessary.
- Verify the USB Unifying Receiver is securely plugged into a working USB port, or that Bluetooth is enabled and the mouse is paired correctly.
- Try switching to a different Easy-Switch channel (1 or 2) to ensure it's connected to the correct device.
5.2. Connectivity Problems
- Unifying Receiver Not Detected: Try plugging the receiver into a different USB port. If issues persist, re-pair the device using Logitech Options software.
- Bluetooth Pairing Failure: Ensure no other Bluetooth devices are interfering. Try restarting your computer's Bluetooth and the mouse.
5.3. Buttons Not Responding
- Ensure Logitech Options software is up-to-date if you have customized button functions.
- Reset the mouse by turning it off and on.
6. Specifications
| Brand | Logitech |
| Model Number | 910-005178-cr |
| Connectivity Technology | Wireless (USB Unifying Receiver, Bluetooth) |
| Movement Detection | Optical (2048 dpi) |
| Number of Buttons | 8 |
| Scroll Wheel | 4-Way Scroll Wheel |
| Power Source | Battery Powered (1 Lithium Ion battery included) |
| Item Weight | 5.8 ounces |
| Product Dimensions (LxWxH) | 5.2 x 3.9 x 2 inches |
| Operating System Compatibility | Multiple (Windows, macOS, Linux) |
7. Warranty & Support
As an Amazon Renewed product, this Logitech MX Ergo Plus Trackball Mouse is eligible for replacement or refund under the Amazon Renewed Guarantee if you are not satisfied with your purchase.
For further technical support, software downloads (such as Logitech Options for customization and FLOW), or additional product information, please visit the official Logitech support website.
Logitech Support: www.logitech.com/support/mxergo





