Introduction
The Logitech M187 Wireless Mini Mouse is a compact and portable wireless mouse designed for convenience and reliable performance. Its extra-small design makes it ideal for use with laptops and for travel. This manual provides instructions for setting up, operating, maintaining, and troubleshooting your M187 mouse.
Package Contents
Verify that all items are present in your product package:
- Logitech M187 Wireless Mini Mouse
- Nano Receiver
- 1 AAA Battery (pre-installed or included separately)
- User Documentation (this manual)
Setup
Follow these steps to set up your Logitech M187 Wireless Mini Mouse:
- Insert Battery: If the battery is not pre-installed, open the battery compartment cover on the underside of the mouse. Insert one AAA battery, ensuring correct polarity (+/-). Close the battery compartment.
- Connect Nano Receiver: Locate an available USB port on your computer (laptop or PC). Plug the nano receiver into the USB port. Your computer should automatically detect the receiver and install necessary drivers.
- Power On Mouse: Slide the On/Off switch located on the underside of the mouse to the "On" position. The mouse is now ready for use.

Image: Top view of the Logitech M187 Wireless Mini Mouse, showing its compact design and scroll wheel.

Image: Angled view of the Logitech M187 Wireless Mini Mouse, highlighting its ergonomic curves.
Operating Instructions
The Logitech M187 mouse offers standard functionality for navigation and interaction with your computer.
- Left Click: Press the left button to select items, open links, or activate functions.
- Right Click: Press the right button to open context menus or access additional options.
- Scroll Wheel: Roll the scroll wheel up or down to navigate through documents and web pages. The scroll wheel can also be pressed for middle-click functionality in some applications.
- Wireless Range: The mouse operates wirelessly up to 10 meters (33 feet) from the nano receiver. Ensure no significant obstructions are between the mouse and the receiver for optimal performance.
- Ambidextrous Design: The symmetrical design of the M187 mouse allows comfortable use for both left-handed and right-handed users.
Maintenance
Proper maintenance ensures the longevity and optimal performance of your mouse.
- Battery Replacement: When the mouse performance degrades or stops responding, replace the AAA battery. The average battery life is approximately 12 months, but this can vary based on usage.
- Cleaning: Use a soft, dry cloth to clean the exterior of the mouse. For the optical sensor, use a cotton swab lightly dampened with isopropyl alcohol, ensuring no liquid enters the mouse.
- Nano Receiver Storage: The nano receiver can be stored inside the mouse's battery compartment when not in use or during travel to prevent loss.
- Storage: Store the mouse in a cool, dry place away from direct sunlight and extreme temperatures.
Troubleshooting
If you encounter issues with your Logitech M187 mouse, refer to the following common solutions:
- Mouse Not Responding:
- Ensure the mouse is turned "On" using the switch on the underside.
- Check the battery. Replace it if necessary.
- Verify the nano receiver is securely plugged into a working USB port. Try a different USB port.
- Move the mouse closer to the nano receiver to rule out range issues or interference.
- Cursor Lagging or Erratic Movement:
- Replace the battery.
- Ensure the optical sensor on the underside of the mouse is clean and free of debris.
- Use the mouse on a clean, non-reflective surface.
- Minimize interference from other wireless devices by moving them further away.
- Nano Receiver Not Detected:
- Try plugging the receiver into a different USB port.
- Restart your computer.
Specifications
Detailed technical specifications for the Logitech M187 Wireless Mini Mouse:
| Brand | Logitech |
| Model Number | 910-002720 |
| Connectivity Technology | USB Wireless |
| Movement Detection Technology | Optical |
| Button Quantity | 3 |
| Hand Orientation | Ambidextrous |
| Compatible Devices | Personal Computer (Laptop, PC) |
| Operating System | Windows Vista and later |
| Battery Type | 1 AAA battery |
| Battery Average Life | 12 months |
| Wireless Range | 10 meters (33 feet) |
| Item Weight | 3.2 ounces (approx. 90.7 grams) |
| Item Dimensions (L x W) | 7"L x 5"W (Note: This might be package dimensions. Actual mouse dimensions are approx. 80mm L x 49mm W) |
| Enclosure Material | Plastic |

Image: The Logitech M187 Wireless Mini Mouse shown with approximate dimensions of 80mm length and 49mm width.

Image: Size comparison of the Logitech M187 Wireless Mini Mouse next to a standard pencil, illustrating its compact size.
Warranty Information
Logitech products are manufactured to high quality standards and are subject to a limited hardware warranty. For detailed warranty terms and conditions, please refer to the official Logitech website or the warranty documentation included with your purchase. This warranty typically covers defects in materials and workmanship under normal use.
Support
For further assistance, technical support, or to access additional resources, please visit the official Logitech support website. You can find FAQs, driver downloads, and contact information for customer service there.
Logitech Official Website: www.logitech.com