1. Introduction
This manual provides instructions for the Logitech Wireless Mouse Receiver, Model CU0019. This single-channel USB receiver is designed to provide a stable 2.4GHz wireless connection for compatible Logitech mice, enhancing office efficiency and user convenience. Its compact size makes it ideal for both stationary and mobile use.
Package Contents
- 1 x Logitech Wireless Mouse Receiver (Model CU0019)

2. Safety Warnings and Compliance
Please read and adhere to the following safety guidelines to ensure proper use and longevity of your device:
- Avoid Water: Do not expose the receiver to water or any liquids.
- Do Not Disassemble: The device should not be disassembled by non-professionals. Unauthorized disassembly may cause damage and void any potential support.
- Environmental Disposal: This appliance, its accessories, batteries, and cords should be recycled responsibly.
This product complies with CE and RoHS standards.
3. Installation and Pairing
The CU0019 receiver is compatible with Logitech M170, M171, M185, M186, and CU0019 series mice (MR0084, MR0086, MR0087, MR0101, MR0102, MR0107). Follow these steps to install and pair your receiver with a compatible mouse:
- Check Mouse Battery: Ensure your mouse has a fully charged battery.
- Turn Off Mouse: Switch off the power to your mouse.
- Insert Receiver: Plug the USB receiver into an available USB port on your computer.
- Initiate Pairing on Mouse: Press and hold down the Right Mouse Button on your mouse. Keep holding it until step 7 is completed.
- Turn On Mouse: While still holding the Right Mouse Button, switch on the power to your mouse.
- Left Click: Click the Left Mouse Button once.
- Middle Click: Click the Middle Button (scroll wheel) once.
- Release Button: Release the Right Mouse Button.
The mouse and USB receiver should automatically pair. If pairing is unsuccessful, refer to the Troubleshooting section.

4. Operation
Once successfully paired, the Logitech CU0019 receiver provides a reliable 2.4GHz wireless connection, allowing your compatible mouse to function seamlessly with your computer. No further action is typically required after successful pairing. The receiver is designed for plug-and-play convenience.
5. Specifications
| Feature | Detail |
|---|---|
| Product Type | Wireless Mouse Receiver |
| Model | CU0019 |
| Compatibility | Logitech M170, M171, M185, M186, MR0084, MR0086, MR0087, MR0101, MR0102, MR0107 series mice |
| Wireless Frequency | 2.4GHz |
| Connectivity | USB-A |
| Dimensions (approx.) | 1.8 cm / 0.7 inches (Length) |
| Origin | Mainland China |

6. Troubleshooting
Pairing Issues
If your mouse and receiver do not pair automatically after following the setup instructions:
- Re-plug Receiver: Unplug the USB receiver from your computer, then plug it back in.
- Repeat Pairing Steps: Carefully repeat all steps in the "Installation and Pairing" section (Section 3). Ensure no steps are skipped.
- Check Mouse Battery: Verify that the mouse battery level is sufficient for pairing. A low battery can prevent successful connection.
General Issues
For any other issues or if troubleshooting steps do not resolve the problem, please refer to the official user manual PDF for more detailed guidance: User manual (PDF).
7. Care and Maintenance
- Keep Dry: Protect the receiver from moisture and liquids.
- Clean Gently: Use a soft, dry cloth to clean the receiver. Do not use harsh chemicals or abrasive materials.
- Avoid Disassembly: Do not attempt to open or modify the receiver. This can damage the device and void any support.
- Proper Storage: When not in use, store the receiver in a clean, dry place, away from extreme temperatures.
8. User Tips
- Compatibility Check: Before purchasing or attempting to use, always confirm that the receiver is compatible with your specific mouse model. The CU0019 receiver is designed for specific Logitech M/N series mice.
- Driver Installation: For optimal performance, you may need to download and install the appropriate mouse driver from Logitech's official website before pairing the receiver with your mouse.
- Battery Level: Always ensure your mouse has sufficient battery power when attempting to pair it with the receiver to avoid connection failures.
9. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the manufacturer or authorized service centers using the details below:
Manufacturer Information
Shenzhen Fuxi Electronics Co., Ltd
Address: Room 401, Building 22, Tangshuiwei Second District, Minzhi Street, Longhua District, Shenzhen City, China
Email/Tel: smtfxdz@163.com / 13424225184
European Representative (EC REP)
JUAN SERRANO GONZALEZ SOCIEDAD LIMITADA
Address: C/PABLO IGLESIAS 1-A-EN TRESUELO, 12006 Castellón de la Plana, Castellón, Spain
Contact: JUAN SERRANO GONZALEZ
Phone: 0034 964 867178
Email: gpsreurope@gmail.com