EIGIIS 2.4G Ergonomic Trackball Handheld Finger USB Mouse Wireless Optical Travel DPI Mice User Manual

1. Introduction

The EIGIIS 2.4G Ergonomic Trackball Handheld Finger USB Mouse is designed to provide a comfortable and efficient pointing device experience, reducing strain on the palm and wrist during prolonged use.

This wireless optical mouse features adjustable DPI settings for precise control and a sensitive trackball for smooth navigation. It is compatible with a wide range of operating systems, offering plug-and-play convenience without the need for additional software.

Figure 1: EIGIIS 2.4G Ergonomic Trackball Handheld Finger USB Mouse.

2. Key Features

• Ergonomic Design: Specifically shaped to fit comfortably in your hand, reducing wrist and palm strain. Suitable for both left and right-handed users.
• Trackball Comfort: Allows cursor movement without arm movement, ideal for reducing discomfort associated with traditional mice.
• Adjustable DPI: Features 600/800/1000/1200 DPI optical tracking technology for enhanced sensitivity and precision.
• Wireless Connectivity: Utilizes a stable 2.4GHz wireless receiver with an effective range of approximately 10 meters.
• Wide Application: USB 2.0 interface, plug and play. Compatible with Windows XP/VISTA/Win7/Win10, Linux, Unix, and Mac OS. Not suitable for tablets and cellphones.
• Multi-functional Buttons: Includes standard left/right click buttons, a scroll wheel, and dedicated Enter and Escape buttons for added convenience.

Figure 2: Ambidextrous design for comfortable use by both left and right hands.

Figure 3: Adjustable DPI settings (600/800/1000/1200) for precise cursor control.

3. Setup

3.1. Battery Installation

The EIGIIS Trackball Mouse requires one AAA battery (not included). To install the battery:

1. Locate the battery compartment on the underside of the mouse.
2. Slide open the battery cover.
3. Insert one AAA battery, ensuring correct polarity (+/-).
4. Close the battery cover securely.

3.2. Connecting the USB Receiver

The mouse connects wirelessly via a USB receiver. No software installation is required.

1. Locate the small USB receiver, usually stored within the battery compartment or included separately in the packaging.
2. Plug the USB receiver into an available USB 2.0 port on your computer (PC, Laptop, Mac).
3. Turn on the mouse using the power switch located on the underside.
4. The mouse should automatically connect to your computer.

Figure 4: Illustration of the wireless connection process using the USB receiver.

4. Operating Instructions

Familiarize yourself with the various buttons and functions of your EIGIIS Trackball Mouse:

Figure 5: Overview of the mouse buttons and their functions.

• Trackball: Use your thumb to move the green trackball to control the cursor on the screen.
• Left Click Button: Located on the underside (trigger-style) and also on the top-left. Use for primary selection and interaction.
• Right Click Button: Located on the top-right. Use for secondary functions and context menus.
• Scroll Wheel: Located near the right-click button. Roll up or down to scroll through documents or web pages.
• DPI Button: Located on the underside, near the finger loop. Press to cycle through DPI settings (600/800/1000/1200) to adjust cursor sensitivity.
• Enter Button: Located on the top-front. Functions as an Enter key.
• Esc Button: Located on the top-front. Functions as an Escape key.

4.1. Sleep Mode

To conserve battery life, the mouse will enter a sleep mode after approximately 10 minutes of inactivity. To wake it up, simply click any button or move the trackball.

5. Maintenance

To ensure optimal performance and longevity of your trackball mouse, regular cleaning is recommended, especially for the trackball mechanism.

1. Gently remove the trackball from its housing. This can usually be done by pushing it out from the underside or by carefully prying the rim around it.
2. Use a soft, lint-free cloth to wipe the trackball clean.
3. Clean the inside of the trackball housing, paying attention to the small sensors and rollers, using a cotton swab or compressed air to remove any dust or debris.
4. Carefully reinsert the trackball into its housing until it clicks into place.

Note: Some users have reported that the trackball rim can be challenging to re-secure after removal. Exercise care during this process.

6. Troubleshooting

• Mouse Not Responding:
  • If the mouse is not working after a few minutes of inactivity, click any button to wake it from sleep mode.
  • Check the battery: Replace the AAA battery if it is low or depleted.
  • Turn the mouse off and then on again using the power switch.
  • Remove the USB receiver from your computer and reinsert it into a different USB port.
• Trackball Movement Issues:
  • Clean the trackball and its housing as described in the Maintenance section to remove any accumulated dirt or lint that may impede smooth movement.
  • Ensure the trackball is properly seated in its housing.
• Intermittent Connection:
  • Ensure the mouse is within the 10-meter effective range of the USB receiver.
  • Avoid obstacles (like walls) that may interfere with the 2.4GHz signal.
  • Try plugging the USB receiver into a different USB port on your computer.

7. Specifications

Figure 6: Physical dimensions of the EIGIIS Trackball Mouse.

8. Warranty and Support

EIGIIS is committed to providing timely, professional, and integrity-driven support. If you are not satisfied with your product for any reason, please do not hesitate to contact us. We will make our best effort to resolve any issues you may encounter.

For support, please refer to the contact information provided with your product packaging or visit the official EIGIIS Store online.

Note: Specific warranty terms and conditions may vary. Please consult your product's documentation for detailed warranty information.