Logitech 930951-0403
Logitech Cordless Click! Plus Optical Mouse
User Manual
Model: 930951-0403
Product Overview
The Logitech Cordless Click! Plus Optical Mouse offers wireless freedom and precise optical tracking for enhanced computer navigation. Designed for comfort, this mouse features a streamlined design that fits comfortably in your hand. It utilizes advanced radio technology, providing a reliable connection up to 6.5 feet (2 meters) from its receiver. This manual will guide you through the setup, operation, and maintenance of your mouse.

Figure 1: Angled view of the Logitech Cordless Click! Plus Optical Mouse, showcasing its ergonomic design and blue/silver color scheme.
Key Features:
- Wireless Connectivity: Advanced radio technology for a range of up to 6.5 feet (2 meters).
- Precise Optical Technology: Eliminates the need for a mouse pad and works on various surfaces.
- 5-Button Design: Includes standard left/right click, a scroll wheel, and two side buttons for forward/back navigation.
- Universal Scroll Wheel: For easy document and web page navigation.
- Quick Switch Button: Facilitates switching between open documents.
- Ergonomic Design: Shaped for comfortable use.
- USB Receiver: Includes a USB to PS/2 adapter for versatile connectivity.
Setup Guide
1. Unpacking and Contents Verification
Before beginning, ensure all components are present in the package:
- Logitech Cordless Click! Plus Optical Mouse
- USB Wireless Receiver
- USB to PS/2 Adapter
- 2 AA Batteries
2. Battery Installation
- Locate the battery compartment on the underside of the mouse.
- Open the battery compartment cover.
- Insert two (2) AA batteries, ensuring correct polarity (+/-) as indicated inside the compartment.
- Close the battery compartment cover securely.

Figure 2: Underside of the mouse, illustrating the battery compartment and optical sensor location.
3. Connecting the Wireless Receiver
The Logitech Cordless Click! Plus Optical Mouse uses a USB receiver for wireless communication with your computer.
- For USB Connection: Plug the USB wireless receiver directly into an available USB port on your computer.
- For PS/2 Connection (Older Systems): If your computer only has PS/2 ports available for mouse input, attach the included USB to PS/2 adapter to the USB wireless receiver, then plug the adapter into the PS/2 mouse port on your computer.
Your computer should automatically detect and install the necessary drivers. Allow a few moments for the installation to complete.
Operating Your Mouse
Once the mouse is set up, you can begin using it for navigation and control.

Figure 3: Top-down view highlighting the left/right click buttons, scroll wheel, and Quick Switch button.
Basic Functions:
- Left Click: Primary button for selecting items, opening files, and activating links.
- Right Click: Opens context menus, providing additional options for selected items.
- Scroll Wheel: Roll the wheel up or down to scroll through documents and web pages. The wheel can also be pressed down for middle-click functionality in some applications.
Advanced Functions:
- Side Buttons (Forward/Back): Located on the left side of the mouse, these buttons allow for quick navigation forward and backward in web browsers and file explorers.
- Quick Switch Button: Positioned near the scroll wheel, this button allows you to quickly switch between open applications or documents on your desktop.

Figure 4: Side view of the mouse, clearly showing the two programmable side buttons.
For optimal performance, ensure the mouse is used within the 6.5 feet (2 meters) range of the receiver and on a clean, non-reflective surface.
Maintenance
Cleaning Your Mouse:
To maintain optimal performance and hygiene, regularly clean your mouse:
- Disconnect the mouse receiver from your computer.
- Use a soft, lint-free cloth lightly dampened with water or a mild cleaning solution to wipe the exterior of the mouse.
- For the optical sensor on the underside, use a dry cotton swab or compressed air to gently remove any dust or debris. Do not use liquids directly on the sensor.
- Allow the mouse to dry completely before re-connecting the receiver.
Battery Replacement:
When the mouse's performance degrades or it stops responding, it may be time to replace the batteries.
- Turn the mouse over and open the battery compartment cover.
- Remove the old AA batteries.
- Insert two new AA batteries, observing the correct polarity.
- Close the battery compartment cover.
- Dispose of old batteries according to local regulations.
Troubleshooting
If you encounter issues with your Logitech Cordless Click! Plus Optical Mouse, try the following solutions:
- Mouse Not Responding:
- Ensure the batteries are correctly installed and have sufficient charge. Replace them if necessary.
- Verify that the USB wireless receiver is securely plugged into a working USB or PS/2 port on your computer. Try a different port.
- Move the mouse closer to the receiver to ensure it is within the 6.5 feet (2 meters) operating range.
- Restart your computer.
- Erratic Cursor Movement:
- Clean the optical sensor on the underside of the mouse to remove any dust or debris.
- Ensure you are using the mouse on a suitable surface. Avoid highly reflective, transparent, or uneven surfaces.
- Buttons or Scroll Wheel Not Working:
- Check for any physical obstructions around the buttons or scroll wheel.
- Re-install the mouse drivers if you suspect a software issue (usually not required for basic mouse function, but can be a last resort).
If problems persist after trying these steps, please refer to the Logitech support website for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Model Number | 930951-0403 |
| Brand | Logitech |
| Connectivity Technology | Wireless (Radio Frequency), USB, PS/2 (via adapter) |
| Movement Detection | Optical |
| Color | Blue and Silver |
| Batteries Required | 2 AA batteries (included) |
| Item Weight | 13.6 ounces (approx. 385.5 grams) |
| Package Dimensions | 8.3 x 5.6 x 2.4 inches (approx. 21.1 x 14.2 x 6.1 cm) |
| Wireless Range | Up to 6.5 feet (2 meters) |
Warranty and Support
For detailed warranty information regarding your Logitech Cordless Click! Plus Optical Mouse, please refer to the official Logitech website or the warranty card included with your product at the time of purchase. Warranty terms and conditions may vary by region.
For technical support, driver downloads, or frequently asked questions, please visit the official Logitech support website:
When contacting support, please have your product model number (930951-0403) and serial number (if applicable) ready.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.







