Introduction
Thank you for choosing the Havit MS966SE Tri-Mode Gaming Mouse. This manual provides detailed instructions for setting up, operating, and maintaining your mouse to ensure optimal performance. The MS966SE offers versatile connectivity options including wired USB, 2.4GHz wireless, and Bluetooth, along with customizable DPI settings and RGB lighting.

Image: Havit MS966SE Tri-Mode Gaming Mouse, showcasing its ergonomic design and RGB lighting strip.
Package Contents
Please check the package contents to ensure all items are present:
- 1 x Havit MS966SE Gaming Mouse
- 1 x USB-C Charging/Data Cable (1.6m)
- 1 x 2.4GHz Wireless USB Dongle
- 1 x User Manual (this document)
Setup
1. Charging the Mouse
Before first use, it is recommended to fully charge the mouse.
- Connect the provided USB-C cable to the charging port on the front of the mouse.
- Connect the other end of the USB-C cable to a USB port on your computer or a USB wall adapter.
- The RGB lighting will indicate charging status (specific indication may vary, refer to LED behavior section if available). A full charge typically takes a few hours.

Image: Havit MS966SE mouse connected with its USB-C cable, illustrating the wired connection and charging method.
2. Connecting the Mouse
The Havit MS966SE offers three connection modes: 2.4GHz Wireless, Bluetooth, and Wired USB. Use the switch on the bottom of the mouse to select your desired mode.
2.1. 2.4GHz Wireless Connection
- Locate the 2.4GHz USB dongle, usually stored in a compartment on the bottom of the mouse.
- Plug the USB dongle into an available USB port on your computer.
- Switch the mode selector on the bottom of the mouse to the "2.4G" or "Wireless" position.
- The mouse should connect automatically. If not, press the pairing button (if available, usually near the mode switch) or try reconnecting the dongle.
2.2. Bluetooth Connection
- Switch the mode selector on the bottom of the mouse to the "BT" or "Bluetooth" position.
- The mouse's indicator light will start blinking, indicating it is in pairing mode.
- On your computer, open Bluetooth settings and search for new devices.
- Select "Havit MS966SE" (or similar name) from the list of available devices to pair.
- Once paired, the indicator light will become solid or turn off.
2.3. Wired USB Connection
- Connect the provided USB-C cable to the mouse.
- Connect the other end of the USB-C cable to a USB port on your computer.
- Switch the mode selector on the bottom of the mouse to the "USB" or "Wired" position.
- The mouse will function immediately as a wired device and will also charge simultaneously.
Operating Instructions
1. Button Functions
The Havit MS966SE features 7 programmable buttons. Default functions are as follows:
- Left Click: Primary action.
- Right Click: Secondary action/context menu.
- Scroll Wheel (Click): Middle click/universal scroll.
- DPI Button: Cycles through DPI settings.
- Forward Button: Navigates forward in web browsers/folders.
- Backward Button: Navigates backward in web browsers/folders.
- (Additional Button): Refer to software for customization.
2. DPI Adjustment
Press the DPI button (usually located behind the scroll wheel) to cycle through the available DPI settings. The MS966SE supports resolutions of 800, 1600, 2400, 3200, 6000, and 10000 DPI. The RGB lighting may change color to indicate the current DPI level.
3. RGB Lighting Control
The mouse features dynamic RGB lighting. Specific controls for lighting modes and colors may be available through dedicated software (if provided by Havit) or by pressing a combination of buttons (e.g., DPI button + another button). Refer to the manufacturer's website for any available software.
4. Switching Connection Modes
To switch between 2.4GHz Wireless, Bluetooth, and Wired USB modes, use the physical switch located on the bottom of the mouse. Ensure the mouse is properly connected or paired in the selected mode.
Maintenance
1. Cleaning
- Disconnect the mouse from your computer before cleaning.
- Use a soft, dry, lint-free cloth to wipe the surface of the mouse.
- For stubborn dirt, slightly dampen the cloth with water or a mild cleaning solution. Avoid harsh chemicals.
- Use a cotton swab or compressed air to clean around buttons and the optical sensor.
2. Battery Care
- Avoid fully discharging the battery frequently to prolong its lifespan.
- If storing the mouse for an extended period, charge it to about 50% before storage.
- Do not expose the mouse to extreme temperatures.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Mouse not responding (Wireless/Bluetooth) |
|
| DPI not changing |
|
| RGB lighting not working |
|
| Mouse disconnects frequently |
|
Specifications
| Model | MS966SE |
| Connectivity | 2.4GHz Wireless, Bluetooth, Wired USB |
| Sensor | PMW3325 Optical Sensor |
| DPI Settings | 800-1600-2400-3200-6000-10000 DPI |
| Buttons | 7 |
| Dimensions | 123 x 63 x 40 mm |
| Weight | Approximately 85g |
| Battery Capacity | 500 mAh |
| Cable Length | 1.6 m (USB-C to USB-A) |
| Button Lifespan | 20,000,000 clicks |
| Compatible Operating Systems | Windows, Mac, Linux |
Warranty Information
The Havit MS966SE Gaming Mouse comes with a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear. Please retain your proof of purchase for warranty claims.
Support
For further assistance, technical support, or warranty inquiries, please contact Havit customer service through their official website or the retailer where you purchased the product.
- Havit Official Website: www.havit.com (Please check for regional websites for specific support contacts)
- Email Support: Refer to the official website for contact details.





