Keychron M3 4000 Hz Wireless Optical Mouse

1. Introduction

The Keychron M3 is a high-performance wireless optical mouse designed for versatility, offering seamless connectivity through 2.4 GHz, Bluetooth 5.1, and wired USB. Its lightweight construction and advanced PixArt PAW 3395 sensor make it suitable for various applications, from professional work to intensive gaming. This manual provides comprehensive instructions for setting up, operating, and maintaining your Keychron M3 mouse.

Figure 1.1: The Keychron M3 wireless optical mouse, showcasing its sleek black design.

2. Package Contents

Please verify that all items are present in your Keychron M3 package:

• Keychron M3 Wireless Optical Mouse
• 2.4 GHz USB Receiver
• Detachable Type-C to Type-C Cable
• Type-A to Type-C Adapter

Figure 2.1: The Keychron M3 mouse alongside its dedicated 2.4 GHz USB receiver.

3. Setup and Connectivity

3.1 Charging the Mouse

Before first use, it is recommended to fully charge the Keychron M3 mouse. Connect the provided Type-C cable to the mouse's charging port and the other end to a USB power source (e.g., computer USB port, wall adapter). The battery indicator will show charging status.

3.2 Connecting via 2.4 GHz Wireless

1. Locate the 2.4 GHz USB receiver.
2. Plug the receiver into an available USB port on your computer.
3. Ensure the mouse is powered on and set to 2.4 GHz mode (refer to the switch on the mouse's underside, if applicable).
4. The mouse should automatically connect to the receiver.

3.3 Connecting via Bluetooth 5.1

1. Ensure the mouse is powered on and set to Bluetooth mode.
2. On your computer or device, open Bluetooth settings.
3. Search for new devices and select "Keychron M3" from the list.
4. Follow any on-screen prompts to complete the pairing process.

3.4 Connecting via Wired USB

For a wired connection, simply connect the Type-C cable directly from the mouse to a USB port on your computer. The mouse will function in wired mode and charge simultaneously.

Figure 3.1: The Keychron M3 mouse positioned on a desk, ready for use with a keyboard and its 2.4 GHz receiver connected.

4. Operating Instructions

4.1 DPI Adjustment

The Keychron M3 features a PixArt PAW 3395 sensor with a DPI range of 100 to 26,000. You can adjust the DPI sensitivity using the dedicated DPI button on the mouse or through the Keychron Engine software for more precise control.

4.2 Polling Rate

The mouse supports various polling rates depending on the connection mode:

• 2.4 GHz Mode: Up to 4000 Hz
• Wired Mode: Up to 1000 Hz
• Bluetooth Mode: 125 Hz

Higher polling rates provide more responsive tracking, which is beneficial for gaming. Adjustments can be made via the Keychron Engine software.

4.3 Programmable Buttons and Macros

The Keychron M3 features multiple programmable buttons. Utilize the Keychron Engine software to customize button functions, assign shortcuts, and create complex macros to enhance your workflow or gaming experience.

4.4 Keychron Engine Software

The Keychron Engine software provides extensive customization options for your M3 mouse. It allows you to:

• Remap buttons
• Create and manage macros
• Adjust DPI settings
• Configure polling rate
• Set Lift-off Distance (LOD)
• Enable/Disable Snap Angle
• Manage profiles

The software is compatible with Windows 11/10 and macOS. Please visit the official Keychron website to download the latest version of the Keychron Engine.

Figure 4.1: Screenshot of the Keychron Engine software interface, showing customization options for the M3 mouse.

5. Maintenance

5.1 Cleaning

To maintain optimal performance and appearance, regularly clean your Keychron M3 mouse. Use a soft, dry, lint-free cloth to wipe the surface. For stubborn dirt, slightly dampen the cloth with water or a mild, non-abrasive cleaner. Avoid using harsh chemicals or abrasive materials.

5.2 Battery Care

The Keychron M3 is equipped with a 600 mAh rechargeable battery. To prolong battery lifespan:

• Avoid fully discharging the battery frequently.
• Store the mouse in a cool, dry place when not in use for extended periods.
• Do not expose the mouse to extreme temperatures.

6. Troubleshooting

If you encounter issues with your Keychron M3 mouse, please refer to the following common solutions:

7. Specifications

Detailed technical specifications for the Keychron M3 4000 Hz Wireless Optical Mouse:

Figure 7.1: Dimensional diagram of the Keychron M3 mouse, showing its length (125.20 mm), width (68.2 mm), and height (40.60 mm).

8. Warranty and Support

For warranty information and technical support, please refer to the official Keychron website or contact their customer service. Keep your proof of purchase for any warranty claims.

For the latest software updates and additional resources, visit: www.keychron.com