Introduction
The Nulea M504 Wired Vertical Mouse is designed to provide an ergonomic and comfortable computing experience. Its unique vertical design promotes a natural hand posture, reducing wrist strain during extended use. This manual provides comprehensive instructions for setting up, operating, and maintaining your Nulea M504 mouse.

Image: The Nulea M504 Wired Vertical Mouse in white, showcasing its ergonomic design and vibrant RGB lighting along the base and side.
Setup
What's in the Box
- 1 x Wired Vertical Mouse
- 1 x User Manual
Connecting Your Mouse (Plug and Play)
- Locate the USB-A connector on the end of the mouse's 1.8m cable.
- Insert the USB-A connector into an available USB port on your computer (Laptop, PC, Desktop, Mac).
- The mouse is plug-and-play; no additional drivers are required for basic functionality.
Operating Instructions
Ergonomic Design and Hand Posture
The Nulea M504 features a 57-degree natural grip design, which helps maintain your forearm muscle in a natural position. This design aims to make movement smoother, more flexible, and reduce arm discomfort and wrist pain. It may take a few days to adapt to this unique vertical mouse design.

Image: A diagram illustrating the 57-degree angle of the Nulea M504 mouse, designed for a more natural hand posture and reduced wrist strain.
Button Functions

Image: A detailed view of the Nulea M504 mouse, with labels pointing to the Backlit Button, DPI Button, Backward Button, Forward Button, Left Button, Right Button, and the 1.8m USB Cable.
- Left Button: Standard left-click function.
- Right Button: Standard right-click function.
- Scroll Wheel: Used for scrolling through documents and web pages. The metal non-slip scroll wheel offers durable quality.
- Forward Button: Navigates forward in web browsers or file explorers. (Note: Not compatible with MAC OS).
- Backward Button: Navigates backward in web browsers or file explorers. (Note: Not compatible with MAC OS).
- DPI Button: Adjusts the mouse sensitivity (DPI).
- Backlit Button (Light Button): Cycles through 11 RGB lighting modes. Press and hold for approximately 3 seconds to turn off the RGB lighting completely.
Note: All buttons are non-programmable.
Adjusting DPI (Mouse Sensitivity)
The mouse offers 4 adjustable DPI levels to suit your preference and task requirements. Press the DPI Button to cycle through the following settings:
- 800 DPI
- 1200 DPI
- 2400 DPI
- 3200 DPI

Image: The Nulea M504 mouse on a desk, surrounded by a circular graphic indicating the four adjustable DPI settings: 800, 1200, 2400, and 3200.
RGB Lighting Modes
The Nulea M504 features 11 RGB lighting modes that illuminate the outline of the mouse. Press the Backlit Button to cycle through various static and dynamic lighting effects. To turn off the RGB lighting, press and hold the Backlit Button for approximately 3 seconds.

Image: The Nulea M504 mouse on a desk, with a graphic displaying 11 different colored circles representing the various RGB underglow options.
Video: A demonstration of the Nulea M504 Wired Vertical Mouse, showcasing its ergonomic design and the various RGB lighting effects that can be cycled through.
Maintenance
To ensure optimal performance and longevity of your Nulea M504 mouse, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to wipe the surface of the mouse. For stubborn dirt, a slightly damp cloth can be used, ensuring no moisture enters the internal components.
- Storage: Store the mouse in a clean, dry environment away from extreme temperatures and direct sunlight.
- Cable Care: Avoid sharp bends or excessive pulling on the USB cable to prevent damage.
Troubleshooting
If you encounter any issues with your Nulea M504 mouse, please refer to the following common troubleshooting steps:
- Mouse not responding:
- Ensure the USB cable is securely plugged into your computer's USB port.
- Try plugging the mouse into a different USB port on your computer.
- Cursor movement is erratic or slow:
- Clean the optical sensor on the bottom of the mouse with a soft, dry cloth.
- Ensure you are using the mouse on a suitable surface (e.g., a mouse pad).
- Adjust the DPI setting using the DPI button to find a comfortable cursor speed.
- RGB lights are off:
- Press the Backlit Button to cycle through lighting modes.
- If the lights are off, press and hold the Backlit Button for 3 seconds to reactivate them.
- Forward/Backward buttons not working on Mac:
- These buttons are not compatible with MAC OS. This is expected behavior.
Specifications
| Brand | Nulea |
| Model Number | M504 |
| Connectivity Technology | Wired (USB 2.0 interface) |
| Cable Length | 1.8 meters |
| Movement Detection Technology | Optical |
| Adjustable DPI Levels | 800, 1200, 2400, 3200 |
| RGB Backlight Modes | 11 modes |
| Ergonomic Design Angle | 57 degrees |
| Item Weight | 6.7 ounces |
| Package Dimensions | 5.91 x 3.43 x 3.39 inches |
| Compatibility | Laptop, PC, Desktop, Mac (Forward/Backward buttons not compatible with MAC OS) |
Warranty and Support
The Nulea M504 Wired Vertical Mouse comes with an 18-month warranty from the date of purchase.
For technical support, warranty claims, or any inquiries, please contact Nulea customer support:
- Email: support@nulea.com
- Website: Visit www.nulea.com for more information and live chat support.





