1. Introduction
This manual provides detailed instructions for the Rapoo M660 Silent Wireless Mouse. It covers setup, operation, maintenance, and troubleshooting to ensure optimal performance and user experience. The Rapoo M660 is designed for versatile use with its multi-mode wireless connectivity and ergonomic form factor.
2. Product Overview
The Rapoo M660 Silent Wireless Mouse offers a comfortable and efficient navigation experience. Key features include:
- Multi-mode Connectivity: Connects via Bluetooth 3.0, Bluetooth 4.0, and 2.4 GHz wireless USB receiver, offering a range of up to 10 meters.
- High-Resolution Optical Sensor: Features a 1300 DPI optical sensor for precise and smooth cursor control.
- Ergonomic Design: Symmetrical design suitable for both left and right-handed users, with a rubberized 2D scroll wheel.
- Extended Battery Life: Up to 9 months of battery life thanks to Rapoo's energy-saving technology.
- Wide Compatibility: Compatible with Windows, Mac, Chrome OS, and Linux operating systems.
- Silent Clicks: Designed with silent buttons for a quiet working environment.
2.1. Mouse Components
Familiarize yourself with the main components of your Rapoo M660 mouse:
- Left Click Button
- Right Click Button
- Scroll Wheel / Middle Button
- Mode Switch Button (often integrated with scroll wheel click or a dedicated button)
- Optical Sensor (on the bottom)
- Power On/Off Switch (on the bottom)
- Battery Compartment (on the bottom)
- USB Receiver Storage Slot (on the bottom)

Figure 1: Top view of the Rapoo M660 Silent Wireless Mouse, showing the left and right click buttons and the scroll wheel. The mouse is yellow with the Rapoo logo.
3. Setup
3.1. Battery Installation
- Locate the battery compartment cover on the underside of the mouse.
- Slide or lift the cover to open the compartment.
- Insert one AA alkaline battery, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
- Turn on the mouse using the power switch located on the bottom.

Figure 2: Underside of the Rapoo M660 mouse, highlighting the optical sensor, power switch, and the battery compartment area. The USB receiver is typically stored near the battery compartment.
3.2. Connecting the Mouse
The Rapoo M660 supports multi-mode connection. You can connect it via the 2.4 GHz USB receiver or via Bluetooth.
3.2.1. 2.4 GHz Wireless Connection
- Locate the USB receiver, usually stored inside the battery compartment of the mouse.
- Plug the USB receiver into an available USB port on your computer.
- Turn on the mouse. The computer should automatically detect and install the necessary drivers.
- The mouse is now ready for use.
3.2.2. Bluetooth Connection (Bluetooth 3.0 / 4.0)
- Ensure your computer's Bluetooth is enabled.
- Turn on the mouse.
- Press and hold the mode switch button (often located on the top or bottom of the mouse, or integrated with the scroll wheel click) until the indicator light flashes slowly. This indicates the mouse is in Bluetooth pairing mode.
- On your computer, go to Bluetooth settings and search for new devices.
- Select "Rapoo M660" from the list of available devices and follow any on-screen prompts to complete pairing.
- The indicator light will stop flashing once connected.
Note: The M660 supports multiple Bluetooth channels, allowing you to pair with up to two Bluetooth devices and switch between them. Refer to the "Operating Instructions" section for switching between devices.
4. Operating Instructions
4.1. Switching Between Connected Devices
The Rapoo M660 allows seamless switching between up to three connected devices (one 2.4 GHz and two Bluetooth devices).
- 2.4 GHz Mode: When connected via the USB receiver, the mouse operates in 2.4 GHz mode.
- Bluetooth 1 / Bluetooth 2 Mode: When connected via Bluetooth, the mouse can be paired to two different Bluetooth devices.
To switch between modes/devices, briefly press the mode switch button (often located on the top or bottom of the mouse). The indicator light will change to reflect the active connection mode (e.g., green for 2.4G, blue for BT1, cyan for BT2).
4.2. DPI Settings
The Rapoo M660 features a fixed 1300 DPI optical sensor, providing a balance of speed and precision for most tasks. There is no adjustable DPI setting on this model.
4.3. Silent Click Feature
The mouse is equipped with silent click buttons, reducing noise during use. This feature is integrated into the design and does not require any specific activation.
5. Maintenance
5.1. Cleaning
To maintain the performance and appearance of your mouse:
- Turn off the mouse before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution.
- Wipe the surface of the mouse gently.
- Avoid using harsh chemicals, abrasive cleaners, or excessive moisture.
- Use a cotton swab or compressed air to clean around the scroll wheel and sensor area.
5.2. Battery Replacement
When the mouse performance degrades or the indicator light signals low battery, replace the battery:
- Turn off the mouse.
- Open the battery compartment on the underside of the mouse.
- Remove the old AA battery.
- Insert a new AA alkaline battery, observing the correct polarity.
- Close the battery compartment.
- Dispose of used batteries according to local regulations.
6. Troubleshooting
If you encounter issues with your Rapoo M660 mouse, refer to the following common solutions:
- Mouse Not Responding:
- Ensure the mouse is turned on.
- Check the battery level and replace if necessary.
- For 2.4 GHz connection, ensure the USB receiver is securely plugged into a working USB port. Try a different USB port.
- For Bluetooth connection, ensure Bluetooth is enabled on your computer and the mouse is paired. Try re-pairing the mouse.
- Switch between connection modes on the mouse to ensure it's in the correct mode for your device.
- Intermittent Connection or Lag:
- Move the mouse closer to the USB receiver or Bluetooth device.
- Avoid using the mouse on metallic surfaces, which can interfere with wireless signals.
- Ensure there are no other strong wireless interference sources nearby (e.g., Wi-Fi routers, other wireless devices).
- Try updating your computer's USB or Bluetooth drivers.
- Inaccurate Tracking:
- Clean the optical sensor on the bottom of the mouse.
- Use the mouse on a clean, non-reflective, and uniform surface (e.g., a mouse pad).
- Avoid highly reflective or transparent surfaces like glass.
- Mouse Does Not Turn On:
- Verify the power switch is in the "On" position.
- Replace the battery with a fresh one.
7. Specifications
| Brand | Rapoo |
| Model Name | M660 Silent |
| Color | Yellow |
| Connectivity Technology | Bluetooth (3.0, 4.0), 2.4 GHz Wireless |
| Motion Detection Technology | Optical |
| DPI | 1300 DPI |
| Number of Buttons | 3 |
| Hand Orientation | Ambidextrous |
| Special Features | Ergonomic Design, Lightweight, Silent Clicks, Multi-mode |
| Compatible Operating Systems | Chrome OS, Linux, Mac OS 11 Big Sur, Windows 10, Windows 11 |
| Compatible Devices | Laptop, MacBook, Notebook, Personal Computer |
| Battery Type | Alkaline (1x AA) |
| Battery Life | Up to 9 months |
| Model Number | 14382 |
8. Warranty and Support
Specific warranty information for the Rapoo M660 Silent Wireless Mouse is not provided in the product details. For warranty claims, technical support, or further assistance, please contact Rapoo customer service or refer to the official Rapoo website.
You may find additional support resources by visiting the official Rapoo support page or contacting your retailer.





