1. Introduction
Thank you for choosing the AJAZZ AJ139 V2 MC Gaming Mouse. This high-performance gaming mouse features a PAW3311 sensor, tri-mode connectivity (2.4G wireless, Bluetooth, and wired USB), and an RGB magnetic charging dock. Designed for precision and comfort, this manual will guide you through its setup, operation, and maintenance to ensure optimal performance.
2. Product Overview
Key Features:
- PAW3311 Gaming Sensor: Up to 24000 DPI, 300 IPS, 35G acceleration.
- Tri-Mode Connectivity: Seamless switching between 2.4G wireless, Bluetooth, and wired USB.
- Lightweight Design: Approximately 66g (without receiver) for agile movement.
- Huanuo Micro Motion Switches: Durable with an 80 million click lifespan.
- RGB Magnetic Charging Dock: Convenient charging with customizable RGB lighting.
- 500mAh Battery: Long-lasting performance.
- 1000Hz Polling Rate: Responsive and smooth tracking.
Package Contents:
- AJAZZ AJ139 V2 MC Gaming Mouse x 1
- 1K 2.4G Receiver x 1
- Type-C Charging Cable x 1
- RGB Magnetic Charging Dock x 1
- User Manual x 1
Video: AJAZZ AJ139 V2 MC Product Showcase
3. Specifications
| Feature | Specification |
|---|---|
| Model | AJ139 V2 MC |
| Sensor Model | Pixart 3311 |
| DPI Adjustment | 1200-24000 DPI (6-level adjustable) |
| Movement Speed (IPS) | 300 IPS |
| Acceleration | 35G |
| Polling Rate | 1000Hz (adjustable by driver) |
| Connectivity | 2.4G Wireless, Bluetooth, Wired (Type-C) |
| Number of Buttons | 6 buttons + 1 mode switch + 1 light switch button |
| Button Lifespan | 80 million cycles (Huanuo Micro Motion) |
| Battery Capacity | 500mAh |
| Charging | Magnetic Charging Dock, Wired Type-C |
| Backlight Effect | RGB |
| Product Dimensions | 125.39mm x 63.31mm x 38.19mm |
| Product Weight | Approx. 66g (without receiver) |
| Shell Material | ABS Injection Molding |
| Cable Length | 1.5M |
| Supported Systems | Windows Vista/XP/7/8/10/11, Mac |

Image: Product dimensions and detailed specifications.
4. Setup
Connecting Your Mouse:
The AJ139 V2 MC mouse supports three connection modes: Wired, 2.4G Wireless, and Bluetooth.
- Wired Mode:
Connect the mouse to your computer using the provided Type-C cable. The mouse will automatically switch to wired mode and begin charging. - 2.4G Wireless Mode:
Locate the mode switch on the bottom of the mouse. Turn the switch to the '2.4G' position. Insert the 1K 2.4G receiver into an available USB port on your computer. The mouse should connect automatically. - Bluetooth (BT) Mode:
Turn the mode switch on the bottom of the mouse to the 'BT' position. On your computer or device, go to Bluetooth settings and search for new devices. Select 'AJAZZ AJ139 V2 MC' to pair.

Image: Tri-Mode Connection diagram with labeled mouse parts including DPI adjust key, Pilot lamp, BT mode, Wired mode, and 2.4G mode switch.
5. Operating Instructions
Button Functions:
The mouse features 6 programmable buttons, a mode switch, and a light switch button.
- Left Click Button: Standard primary click function.
- Right Click Button: Standard secondary click function.
- Scroll Wheel: Scroll up/down, and middle click.
- DPI Adjustment Key: Located on the top of the mouse, cycles through 6 preset DPI levels.
- Side Buttons (Forward/Backward): Default navigation functions, often programmable via software.
- Mode Switch: Located on the bottom, switches between 2.4G, OFF, and BT modes.
- Light Switch Button: Located on the bottom, controls the RGB backlight effects.
DPI Adjustment:
Press the DPI adjustment key on the top of the mouse to cycle through the 6 available DPI settings. The current DPI level can be further customized using the mouse's driver software.
Polling Rate:
The mouse operates at a 1000Hz polling rate, which can be adjusted via the driver software for specific needs.
RGB Backlight Control:
Use the dedicated light switch button on the bottom of the mouse to turn the RGB lighting on or off, or to cycle through different lighting effects. Further customization may be available through the driver software.
6. Charging
The AJ139 V2 MC mouse offers two convenient charging methods:
- Magnetic Charging Dock:
Simply place the mouse onto the RGB magnetic charging dock. Align the magnetic card slot on the mouse with the dock to initiate charging. The dock's RGB lighting may indicate charging status. - Wired Charging:
Connect the mouse directly to your computer using the provided Type-C cable. This will charge the mouse while it operates in wired mode.
The mouse is equipped with a 500mAh battery. Battery life varies depending on usage:
- Light ON: Approximately 2.5 days (based on 8 hours/day usage).
- Light OFF: Approximately 5 days (based on 8 hours/day usage).

Image: Mouse being charged wirelessly on the magnetic dock.

Image: Long-lasting performance details with 500mAh battery and estimated usage times.
7. Maintenance
- Keep the mouse and charging dock clean by wiping with a soft, dry cloth.
- Avoid exposing the device to extreme temperatures or humidity.
- Do not disassemble the mouse, as this may void the warranty.
8. Troubleshooting
- Mouse not responding:
Check the battery level. Ensure the mouse is in the correct mode (2.4G, BT, or Wired) for your connection type. For wireless modes, ensure the receiver is properly plugged in or Bluetooth is paired. Try connecting via wired mode to confirm functionality. - Charging issues:
Ensure the Type-C cable is securely connected to both the mouse/dock and the power source. For magnetic charging, ensure the mouse is correctly seated on the dock. - DPI/Polling Rate not changing:
Ensure you are pressing the correct DPI adjustment button. If using custom settings, verify the driver software is installed and configured correctly. - Connectivity drops:
Ensure there are no obstructions between the mouse and the 2.4G receiver or Bluetooth device. Avoid strong electromagnetic interference.
9. User Tips
- For optimal performance and customization, download the official AJAZZ driver software from the manufacturer's website. This allows for advanced DPI settings, button remapping, and RGB lighting effects.
- Regularly check the mode switch on the bottom of the mouse to ensure it's set to your desired connection type (2.4G, Bluetooth, or Wired) to avoid connectivity issues.
10. Warranty and Support
The AJAZZ AJ139 V2 MC Gaming Mouse comes with a standard manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please refer to the official AJAZZ website or contact their customer service directly. A digital version of this user manual is also available as a PDF at this link.





