1. Introduction
The MOJO Silent Bluetooth Vertical Mouse MJ-185B is an optical ergonomic mouse designed to provide a comfortable and natural hand position, reducing strain during extended use. This wireless mouse connects via Bluetooth, eliminating the need for a USB dongle, and features adjustable sensitivity for precise control. Its silent click buttons ensure a quiet working environment.

Figure 1: MOJO Silent Bluetooth Vertical Mouse (Model MJ-185B)
2. Package Contents
Verify that all items are present in your package:
- MOJO Silent Bluetooth Vertical Mouse (MJ-185B)
- 2 x AAA Batteries
3. Product Overview
The MOJO Vertical Mouse features a unique design for ergonomic comfort and several functional buttons for enhanced productivity.

Figure 2: Button Layout of the MOJO Vertical Mouse
The mouse includes 6 silent buttons:
- Left Click Button: Standard primary click function.
- Right Click Button: Standard secondary click function.
- Scroll Wheel: For vertical scrolling. Can also be pressed for middle-click functionality.
- DPI/Sensitivity Button: Adjusts cursor speed (DPI).
- Forward Button: Navigates forward in web browsers or file explorers.
- Backward Button: Navigates backward in web browsers or file explorers.

Figure 3: Bottom of the MOJO Vertical Mouse with Power Switch and Battery Compartment
4. Setup and Bluetooth Pairing
Follow these steps to set up your MOJO Silent Bluetooth Vertical Mouse:
- Insert Batteries: Open the battery compartment on the bottom of the mouse and insert the two AAA batteries, ensuring correct polarity.
- Power On: Slide the power switch on the bottom of the mouse to the "ON" position.
- Activate Pairing Mode: Press and hold the Bluetooth pairing button (usually located on the bottom or side of the mouse, refer to Figure 2 for exact location if not on bottom) for 3-5 seconds until the indicator light starts blinking, signifying it is in pairing mode.
- Enable Bluetooth on Your Device: On your computer, tablet, or smartphone, navigate to the Bluetooth settings.
- Connect to Mouse: In the list of available Bluetooth devices, select "MOJO Mouse" or a similar name. Your device may prompt you to confirm the connection.
- Confirm Connection: Once connected, the indicator light on the mouse will stop blinking and remain solid or turn off, depending on the model. Your mouse is now ready for use.
Compatibility Note: This mouse is compatible with Windows, Mac, Android, iOS, and Linux. For iOS devices (iPhone or iPad), ensure your operating system is iOS 13 or above for full functionality.
5. Operating Instructions
Your MOJO Vertical Mouse is designed for intuitive use. Here are some key functions:
- Basic Navigation: Move the mouse across a flat surface to control the cursor. Use the Left and Right Click buttons for primary and secondary actions.
- Scrolling: Rotate the Scroll Wheel up or down to scroll through documents and web pages.
- Adjusting DPI (Sensitivity): Press the DPI/Sensitivity Button to cycle through different cursor speeds. The available DPI settings are 800, 1200, and 1600. Choose the setting that best suits your preference and task.
- Page Navigation: Use the Forward and Backward buttons (typically located near the thumb rest) to quickly navigate web pages or folders.
6. Maintenance
To ensure the longevity and optimal performance of your MOJO Vertical Mouse, follow these maintenance guidelines:
- Battery Replacement: When the low battery indicator illuminates, replace the two AAA batteries. Ensure the mouse is powered off before replacing batteries.
- Cleaning: Use a soft, dry cloth to clean the exterior of the mouse. For optical sensor cleaning, use a cotton swab lightly dampened with isopropyl alcohol, ensuring no liquid enters the mouse.
- Storage: Store the mouse in a dry, cool place away from direct sunlight and extreme temperatures.
7. Troubleshooting
If you encounter issues with your MOJO Vertical Mouse, try the following solutions:
- Mouse Not Responding:
- Ensure the mouse is powered on.
- Check battery levels and replace if necessary.
- Verify Bluetooth connection on your device. Try re-pairing the mouse if the connection is lost.
- Cursor Movement is Erratic:
- Clean the optical sensor on the bottom of the mouse.
- Ensure you are using the mouse on a suitable, non-reflective surface.
- Adjust the DPI setting using the DPI button.
- Cannot Pair with Device:
- Ensure the mouse is in pairing mode (blinking indicator light).
- Turn off and on your device's Bluetooth, then try pairing again.
- For iOS devices, confirm your OS version is 13 or higher.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | MJ-185B |
| Connectivity Technology | Bluetooth |
| Movement Detection Technology | Optical |
| DPI Range | 800 - 1200 - 1600 |
| Polling Rate | 125Hz |
| Number of Buttons | 6 (silent) |
| Hand Orientation | Right |
| Compatible Devices | Personal Computer, Smartphone, Tablet |
| Operating System Compatibility | Windows, Mac, Android, iOS (13+), Linux |
| Power Source | Battery Powered (2 x AAA included) |
| Wireless Range | 10.0 meters |
| Dimensions (L x W x H) | 4.7" x 2.7" x 2.6" |
| Weight | 4.2 oz |
| Material | Plastic |
9. Warranty and Support
The MOJO Silent Bluetooth Vertical Mouse MJ-185B comes with a 6-month warranty from the date of purchase. This warranty covers manufacturing defects under normal use. For warranty claims or technical support, please contact MOJO-HOME customer service through the retailer where the product was purchased.





