1. Introduction
Thank you for choosing the ZELOTES T-20 Vertical Ergonomic Gaming Mouse. This mouse is designed to provide a comfortable and precise user experience, reducing muscle fatigue often associated with traditional horizontal mice. Its unique upright design promotes a natural hand posture, making it ideal for extended use in office, learning, light gaming, and general computer tasks.


2. Features
- Ergonomic Vertical Design: Promotes a natural handshake posture to reduce wrist and arm strain.
- 6 Programmable Keys: Customize functions for enhanced productivity and gaming.
- Adjustable DPI: 4-speed DPI settings (1200/2400/4800/7200) for precise control.
- Durable Construction: 5 million keystroke life and over 1.2 million roller revolutions.
- Wired USB Connectivity: Stable data transfer with a 1.8m magnetic ring braided cable.
- Bionic Tire Rollers: Rubber-wrapped, skin-friendly texture for comfortable and clear scrolling.
- Delicate Touch Finish: Rubberized oil finish, resistant to sweat and fingerprints.
- Multi-purpose Use: Suitable for various applications including office work, learning, light gaming, and shopping.

3. Package Contents
Please check the package for the following items:
- 1 x ZELOTES T-20 Vertical Ergonomic Gaming Mouse
- 1 x User Manual
4. Setup Instructions
- Unpack the Mouse: Carefully remove the ZELOTES T-20 mouse from its packaging.
- Remove Protective Film: Locate and remove any protective film from the Teflon feet on the bottom of the mouse. This ensures smooth gliding.
- Connect to Computer: Plug the USB connector of the mouse into an available USB port on your computer (PC or Laptop).
- Driver Installation: The mouse is plug-and-play and typically does not require additional drivers. Your operating system should automatically detect and install the necessary drivers.
- Ready for Use: Once detected, the mouse is ready for immediate use.


5. Operating Instructions
The ZELOTES T-20 mouse features 6 buttons for various functions:

- Left Button (1): Standard left-click function.
- Right Button (2): Standard right-click function.
- Center Button / Scroll Wheel (3): Scroll up/down, and middle-click function.
- Forward Button (4): Navigates forward in web browsers or file explorers.
- Back Button (5): Navigates backward in web browsers or file explorers.
- DPI Adjustment Button (6): Cycles through DPI settings.
DPI Adjustment
The DPI (Dots Per Inch) button allows you to change the mouse sensitivity on the fly. Press the DPI Adjustment Button (6) to cycle through the four available DPI settings. Each setting is indicated by a different LED light color:
- 1200 DPI: Blue light
- 2400 DPI: Dark Purple light
- 4800 DPI: Red light
- 7200 DPI: Light Purple light

6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the mouse. For stubborn dirt, a slightly damp cloth can be used, but ensure no moisture enters the mouse.
- Sensor Cleaning: Occasionally, clean the optical sensor on the bottom of the mouse with a cotton swab to ensure optimal tracking performance.
- Cable Care: Avoid sharp bends or excessive pulling on the USB cable to prevent damage.
- Storage: Store the mouse in a clean, dry environment when not in use.

7. Troubleshooting
Mouse Not Responding
- Ensure the USB cable is securely plugged into a working USB port on your computer.
- Try plugging the mouse into a different USB port.
- Restart your computer.
- Test the mouse on another computer to determine if the issue is with the mouse or your computer's setup.
Erratic Cursor Movement
- Clean the optical sensor on the bottom of the mouse.
- Ensure you are using the mouse on a clean, non-reflective surface. Mouse pads are recommended.
- Check for any physical obstructions around the sensor.
Buttons Not Functioning
- Ensure the mouse is properly connected.
- Check your computer's mouse settings to ensure buttons are enabled and configured correctly.
- If specific buttons (Forward/Back) are not working, ensure the application you are using supports these functions.
8. Specifications
| Feature | Detail |
|---|---|
| Model No. | T-20 |
| Brand Name | ZELOTES |
| Number of Buttons | 6 Keys |
| Tracking System | Optical |
| Interface Type | USB |
| Type | Wired |
| USB Cable Length | 1.8m |
| Operating Voltage/Current | 5V / 100mA |
| Key Life | More than 5 Million Times |
| Roller Life | More than 1.2 Million Revolutions |
| Product Size | 110 x 72 x 75 mm |
| Product Weight | 160 ± 5 grams |
| Resolution (DPI) | 1200 / 2400 / 4800 / 7200 |
| Return Rate | 125Hz |
| Hand Orientation | Right |
| Operation Mode | Trackball (Optical) |
| Origin | Mainland China |

9. User Tips
- Ergonomic Posture: When using the vertical mouse, ensure your wrist is straight and your forearm is supported to maximize ergonomic benefits.
- DPI Customization: Experiment with the different DPI settings to find the sensitivity that best suits your tasks, whether it's precise graphic design or fast-paced gaming.
- Button Assignment: Utilize your operating system's mouse settings or third-party software (if available for your OS) to customize the forward and back buttons for specific applications or macros.
10. Warranty & Support
For warranty information and technical support, please refer to the seller's policies or contact the retailer where you purchased the ZELOTES T-20 mouse. Keep your purchase receipt as proof of purchase.





