1. Introduction
Thank you for choosing the Kensington Pro Fit Full-Size Wireless Mouse. This manual provides detailed instructions for the proper setup, operation, and maintenance of your device. Designed for comfort and efficiency, this wireless mouse offers reliable performance for various computing tasks.

Image 1: A user operating the Kensington Pro Fit Full-Size Wireless Mouse in a typical office setup, demonstrating its ergonomic design and full-size comfort.
2. Package Contents
Please verify that all items are present in your package:
- Kensington Pro Fit Full-Size Wireless Mouse
- USB 2.4GHz Wireless Receiver
- 2 AA Alkaline Batteries

Image 2: The Kensington Pro Fit Full-Size Wireless Mouse shown alongside its compact USB receiver, illustrating the two main components of the product.
3. Setup
Follow these steps to set up your wireless mouse:
- Insert Batteries: Open the battery compartment on the underside of the mouse. Insert the two supplied AA batteries, ensuring correct polarity (+/-). Close the compartment securely.
- Locate USB Receiver: The USB receiver is typically stored inside the battery compartment or packaged alongside the mouse.
- Connect Receiver: Plug the USB 2.4GHz wireless receiver into an available USB port on your computer.
- Power On Mouse: Locate the On/Off switch on the underside of the mouse and slide it to the 'On' position.
- Automatic Connection: Your computer should automatically detect and install the necessary drivers. The mouse should be ready for use within a few seconds. No additional software installation is typically required for Windows, macOS, or Chrome OS.

Image 3: A clear top-down view of the Kensington Pro Fit Full-Size Wireless Mouse and its USB receiver, highlighting the mouse's buttons and scroll wheel.
4. Operating Instructions
Your Kensington Pro Fit Wireless Mouse features several functions for enhanced productivity:
- Left and Right Click: Standard mouse buttons for primary and secondary functions.
- Scroll Wheel: Scroll through documents and web pages. The scroll wheel also functions as a middle click button.
- DPI Switch: Located near the scroll wheel, this button allows you to adjust the cursor speed (DPI - Dots Per Inch) between two settings. Press it to toggle between normal and fast cursor movement.
- Forward/Back Buttons: Two buttons located on the left side of the mouse (for right-handed users) enable quick navigation in web browsers and file explorers.
- On/Off Switch: Use the switch on the underside of the mouse to conserve battery life when the mouse is not in use or during transport.
5. Maintenance
To ensure optimal performance and longevity of your mouse:
- Battery Replacement: When the mouse performance degrades or the indicator light (if present) signals low battery, replace both AA batteries with new ones. Always use high-quality alkaline batteries.
- Cleaning: Use a soft, dry, lint-free cloth to clean the exterior of the mouse. For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive cleaners.
- Receiver Storage: When traveling or not using the mouse for extended periods, store the USB receiver inside the mouse's battery compartment to prevent loss.
- Surface Compatibility: For best tracking performance, use the mouse on a clean, non-reflective surface or a mouse pad.
6. Troubleshooting
If you encounter issues with your Kensington Pro Fit Wireless Mouse, refer to the following solutions:
- Mouse Not Responding:
- Ensure the mouse is switched 'On'.
- Check if the USB receiver is securely plugged into a working USB port on your computer. Try a different USB port.
- Replace the batteries with new ones.
- Restart your computer.
- Erratic Cursor Movement:
- Clean the optical sensor on the underside of the mouse with a soft, dry cloth.
- Ensure you are using the mouse on a suitable surface. Avoid highly reflective or transparent surfaces.
- Move the mouse closer to the USB receiver to reduce potential interference.
- Connection Issues:
- If the mouse loses connection, try unplugging and re-plugging the USB receiver.
- Ensure no other wireless devices are causing interference nearby.
7. Specifications
| Brand | Kensington |
| Model Number | K72370EU |
| Connectivity Technology | Wireless, 2.4GHz USB Receiver |
| Movement Detection Technology | Optical |
| Operating System Compatibility | Chrome OS, macOS, Windows |
| Power Source | Battery Powered |
| Batteries Required | 2 AA batteries |
| Product Dimensions (LxWxH) | 4.92 x 2.95 x 1.77 inches |
| Item Weight | 9.2 ounces |
8. Warranty and Support
For detailed warranty information and technical support, please visit the official Kensington website or contact their customer service. Keep your purchase receipt as proof of purchase for warranty claims.
Kensington Official Website: www.kensington.com





