DAREU LM138G White&Blue
DAREU Vertical Ergonomic Gaming Mouse User Manual
Model: LM138G White&Blue
Introduction
Thank you for choosing the DAREU Vertical Ergonomic Gaming Mouse. This manual provides essential information for setting up, operating, and maintaining your new mouse. Designed with a unique vertical orientation, this mouse aims to reduce wrist and hand strain, promoting a more natural and comfortable user experience for extended periods.

Image: The DAREU Vertical Ergonomic Gaming Mouse in white and blue, showcasing its unique upright design.
Product Features
- Ergonomic Vertical Design: Positions your hand in a natural handshake posture to minimize forearm twisting and muscle strain.
- Lightweight Construction: Weighing approximately 89g (excluding cable), designed for comfortable, long-term use.
- Comfortable Surface: Features a smooth, sweat-proof surface treatment to prevent slippage during prolonged use.
- Unique Wing Tail Bionic Tray: Supports the weight of your hand, reducing pressure on the arm and friction between the palm and desktop. Feathered stripes on the tray provide a non-slip grip.
- Adjustable DPI: Offers multiple DPI settings (1000/1600/3200/6400) for precise cursor control.
- 6 Programmable Buttons: Includes Left, Right, Middle, Forward, Back, and DPI buttons for versatile functionality.
- USB Wired Connectivity: Ensures stable and reliable performance without the need for batteries.
- RGB Lighting: Integrated RGB lighting for an enhanced gaming aesthetic.

Image: This illustration compares the wrist posture when using a traditional mouse versus the DAREU vertical mouse, highlighting the ergonomic benefits of the vertical design in reducing wrist strain.

Image: A detailed diagram labeling the six buttons on the DAREU vertical mouse: Left Button, Middle Button, Right Button, Forward Button, Back Button, and DPI Button.
Setup Guide
- Unpack the Mouse: Carefully remove the DAREU Vertical Ergonomic Gaming Mouse from its packaging.
- Connect to Computer: Locate an available USB port on your laptop, desktop PC, or Mac. Insert the USB connector of the mouse firmly into the USB port.
- Driver Installation: The mouse is plug-and-play and typically does not require any additional driver installation. Your operating system (Windows, macOS, Linux) should automatically detect and configure the device.
- Test Functionality: Once connected, move the mouse and click the buttons to ensure it is functioning correctly. The RGB lighting should illuminate.
For optimal performance, ensure your operating system is up to date.
Operating Instructions
Basic Operation
- Left Click: Primary action, typically used for selecting items or activating functions.
- Right Click: Secondary action, usually opens context menus.
- Scroll Wheel (Middle Button): Scroll up or down to navigate documents and web pages. Pressing the scroll wheel acts as the middle click button.
DPI Adjustment
The DAREU Vertical Ergonomic Gaming Mouse features a dedicated DPI button to adjust cursor sensitivity on the fly. DPI (Dots Per Inch) determines how far the cursor moves on the screen relative to the physical movement of the mouse.
- Press the DPI Button (located near the scroll wheel) to cycle through the available DPI settings: 1000, 1600, 3200, and 6400 DPI.
- Each press will change the sensitivity, allowing you to find the optimal speed for your tasks, whether it's precise graphic design work or fast-paced gaming.
Additional Buttons
- Forward Button: Typically used to navigate forward in web browsers or file explorers.
- Back Button: Typically used to navigate backward in web browsers or file explorers.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your DAREU mouse.
- Cleaning:
- Disconnect the mouse from your computer before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild, non-abrasive cleaning solution to wipe the surface of the mouse.
- Avoid using harsh chemicals, solvents, or abrasive materials, as these can damage the finish.
- For the optical sensor, use a cotton swab lightly dampened with rubbing alcohol to gently clean the lens. Ensure no liquid enters the mouse body.
- Storage: Store the mouse in a clean, dry environment away from extreme temperatures and direct sunlight when not in use.
- Cable Care: Avoid sharp bends or kinks in the USB cable to prevent internal wire damage.

Image: A magnified view of the DAREU vertical mouse's surface, illustrating its comfortable, anti-sweat, and non-slip properties for improved grip and hygiene.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Mouse not responding | Loose USB connection; USB port issue; Driver conflict. | Ensure USB cable is securely plugged in. Try a different USB port. Restart your computer. Check Device Manager for driver issues. |
| Cursor erratic or not moving smoothly | Dirty optical sensor; Uneven mouse pad surface; Software interference. | Clean the optical sensor with a soft cloth. Use a clean, flat mouse pad. Close unnecessary background applications. |
| DPI button not changing sensitivity | Button malfunction; Software conflict. | Ensure the button is not physically stuck. Restart your computer. If the issue persists, contact DAREU support. |
| RGB lighting not working | Power issue; Software setting. | Ensure the mouse is properly connected and receiving power. Check if there are any software settings (if applicable) that control the lighting. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | LM138G White&Blue |
| Product Dimensions | 117 x 75 x 67.5 mm (approx. 4.6 x 2.95 x 2.66 inches) |
| Item Weight | 89g (approx. 3.14 ounces, not including cable) |
| Connectivity Technology | USB Wired |
| Movement Detection Technology | Optical, Laser |
| DPI Settings | 1000 / 1600 / 3200 / 6400 DPI |
| Number of Buttons | 6 (Left, Right, Middle, Forward, Back, DPI) |
| Special Features | Lightweight, Ergonomic Design, LED Lights (RGB) |
| Color | White & Blue |
| Compatibility | Laptop, Desktop, PC, Mac |
Warranty and Support
DAREU provides a 1-year warranty for this product, starting from the date of purchase. This warranty covers manufacturing defects and issues arising from normal use.
If you encounter any quality problems with your DAREU Vertical Ergonomic Gaming Mouse within the warranty period, please contact DAREU customer support. Be prepared to provide your proof of purchase and a detailed description of the issue.
For support inquiries, please visit the official DAREU website or refer to the contact information provided with your product packaging.

Image: A silver seal indicating a 1-year warranty provided by DAREU for the product.
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