1. Product Overview
The DAREU LM109G is an ergonomic vertical wireless mouse designed to reduce wrist strain and provide a comfortable user experience. It features a 60-degree vertical angle, 2.4GHz wireless connectivity, three adjustable DPI levels, and six programmable buttons.
Image: The DAREU LM109G mouse, highlighting its ergonomic vertical design.
The unique 60-degree vertical angle positions your hand in a natural handshake posture, which helps to alleviate pressure on the wrist and forearm, reducing the risk of repetitive strain injuries.
Image: Illustration of the 60-degree ergonomic angle.
Image: Visual comparison of wrist posture with a traditional mouse versus the DAREU vertical mouse.
2. Product Diagram
Familiarize yourself with the buttons and components of your DAREU LM109G mouse.
Image: Labeled diagram of the DAREU LM109G mouse.
- Left Button: Standard left-click function.
- Right Button: Standard right-click function.
- Scroll Wheel: For scrolling and middle-click.
- Forward Button: Navigates forward in web browsers or folders.
- Backward Button: Navigates backward in web browsers or folders.
- DPI Button: Adjusts the mouse sensitivity (DPI).
- Power Switch: Turns the mouse On or Off.
- USB Dongle Slot: Storage for the 2.4GHz USB-A receiver.
- 1*AA Battery Slot: Compartment for one AA battery.
3. Setup
3.1 Battery Installation
- Open the battery compartment cover located on the underside of the mouse.
- Insert one AA battery (not included) into the battery slot, ensuring correct polarity.
- Close the battery compartment cover securely.
Image: Installing the AA battery into the mouse.
3.2 Wireless Connection
- Locate the USB-A receiver stored in the slot on the underside of the mouse.
- Plug the USB-A receiver into an available USB port on your computer (laptop or desktop PC).
- Turn on the mouse using the Power Switch located on the underside. The mouse is plug-and-play and requires no driver installation.
Image: Connecting the USB-A receiver to a laptop.
3.3 Setup Demonstration Video
Video: Official DAREU video demonstrating the setup and ergonomic grip of the LM109G vertical wireless mouse.
4. Operating Instructions
4.1 DPI Adjustment
Press the DPI button (located near the scroll wheel) to cycle through the three adjustable DPI levels. This allows you to customize the mouse sensitivity to your preference for different tasks.
Image: Adjusting DPI settings on the mouse.
4.2 Navigation Buttons
Use the Forward and Backward buttons (located on the side of the mouse) for quick navigation in web browsers, file explorers, and other applications.
Image: Highlighting the forward and backward navigation buttons.
4.3 Power Saving Mode
The mouse automatically enters a power-saving mode after approximately 8 minutes of inactivity to conserve battery life. To reactivate the mouse, simply move it or click any button.
4.4 Hand Size Measurement
For optimal ergonomic comfort, ensure the mouse size is suitable for your hand. Refer to the following guide:
Image: Guide for measuring hand length and palm width.
Image: Recommended mouse sizes based on hand measurements.
5. Maintenance
- Battery Replacement: When the battery is low, the LED light on the mouse will blink. Replace the AA battery with a new one, ensuring correct polarity. We recommend using branded batteries for optimal performance and longevity.
- Cleaning: Use a soft, dry cloth to clean the surface of the mouse. Avoid using harsh chemicals or abrasive materials.
6. Troubleshooting
- Mouse not responding:
- Ensure the mouse is turned ON using the power switch.
- Check if the AA battery is correctly installed and has sufficient charge. Replace if necessary.
- Verify that the USB-A receiver is securely plugged into a working USB port on your computer.
- Try plugging the USB-A receiver into a different USB port.
- Cursor movement is erratic or slow:
- Adjust the DPI settings using the DPI button to find a suitable sensitivity.
- Ensure the mouse is used on a clean, non-reflective surface.
- Wireless connection issues:
- Ensure the mouse is within the operating range (up to 32 feet / 10 meters) of the USB-A receiver.
- Avoid using the mouse near strong electromagnetic interference sources.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | DAREU |
| Model Name | LM109G |
| Connectivity Technology | 2.4GHz Wireless (USB-A Receiver) |
| Movement Detection Technology | Optical |
| DPI Levels | 3 Adjustable Levels |
| Number of Buttons | 6 (Left, Right, Scroll Wheel, Forward, Backward, DPI) |
| Hand Orientation | Right |
| Compatible Devices | Personal Computer |
| Operating System | macOS, Windows, Linux, Chrome OS |
| Wireless Range | Up to 32 feet (10 meters) |
| Power Source | Battery Powered (1 AA battery required, not included) |
| Material | Plastic |
The DAREU LM109G is universally compatible with various operating systems.
Image: Universal compatibility with Windows, Chrome OS, Linux, and macOS.
8. Warranty & Support
Warranty: This product comes with a 1-year warranty from the date of purchase, covering manufacturing defects.
Customer Support: For technical assistance, troubleshooting, or warranty claims, please contact DAREU Office customer support. Refer to your purchase documentation or the DAREU official website for contact information.