Introduction
Thank you for purchasing the Redragon BM-4033 Wireless Vertical Ergonomic Mouse. This manual provides detailed instructions for setting up, operating, and maintaining your new mouse. Designed for comfort and efficiency, this vertical mouse aims to reduce wrist and arm strain during prolonged use. Please read this manual thoroughly before use to ensure optimal performance and longevity of your device.

A black Redragon BM-4033 vertical ergonomic mouse shown alongside its compact 2.4GHz USB receiver.
Package Contents
- Redragon BM-4033 Wireless Vertical Ergonomic Mouse
- 2.4GHz USB Nano Receiver
- User Manual
Product Overview
Familiarize yourself with the various buttons and features of your Redragon BM-4033 mouse.

An annotated diagram illustrating the key components of the Redragon BM-4033 mouse, including the Left Button, Right Button, Scroll Wheel, DPI button, Forward Button, Backward Button, Battery Slot, and USB Receiver Slot.
- Left Button: Standard left-click function.
- Right Button: Standard right-click function.
- Scroll Wheel: For scrolling through documents and web pages. Can also be pressed for middle-click functionality.
- DPI Button: Adjusts the mouse sensitivity (DPI levels).
- Forward Button: Navigates forward in web browsers or file explorers.
- Backward Button: Navigates backward in web browsers or file explorers.
- Battery Slot: Compartment for the AA battery.
- USB Receiver Slot: Storage for the 2.4GHz USB Nano Receiver.
Setup
1. Battery Installation
The Redragon BM-4033 mouse requires one (1) AA battery (not included).
- Locate the battery compartment on the underside of the mouse.
- Open the battery compartment cover.
- Insert one AA battery, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
2. USB Receiver Connection
The mouse connects wirelessly via a 2.4GHz USB Nano Receiver.
- Remove the USB Nano Receiver from its storage slot on the underside of the mouse.
- Plug the USB Nano Receiver into an available USB port on your computer (laptop, desktop, PC, Macbook, Chromebook, or tablet).
- Your computer should automatically detect and install the necessary drivers. No manual driver installation is typically required.
- Once installed, the mouse is ready for use.

The Redragon BM-4033 mouse positioned next to a laptop, demonstrating its 2.4GHz wireless connection via a nano receiver, offering a 10-meter working distance and plug-and-play functionality.
Operating Instructions
1. Power On/Off and Auto Power Saving
- The mouse does not have a manual power switch. It automatically powers on when the USB receiver is connected and a battery is inserted.
- To conserve battery life, the BM-4033 mouse will enter a power-saving (sleep) mode after approximately 8 minutes of inactivity.
- To reactivate the mouse from sleep mode, simply move the mouse or click any button.
- A blinking LED indicator will signal when the battery is low, prompting replacement.

A user operating the Redragon BM-4033 mouse with a laptop, demonstrating the mouse's auto-sleep mode after 8 minutes of inactivity and its one-click wake-up function.
2. DPI Adjustment
The mouse features 5 adjustable DPI levels for precise tracking and customizable sensitivity.
- Press the DPI Button (located near the scroll wheel) to cycle through the available DPI settings.
- The DPI levels are: 800, 1200, 1600, 2400, and 4000.
- Select the DPI level that best suits your preference and task requirements.

A close-up view of the underside of the Redragon BM-4033 mouse, highlighting its optical sensor and the DPI button, with indicators for adjustable DPI levels (800, 1200, 1600, 2400, 4000).
3. Ergonomic Design Benefits
The vertical design of the BM-4033 promotes a natural handshake position, which can alleviate discomfort associated with traditional mice.
- It helps maintain a neutral wrist and forearm posture.
- Reduces pronation of the forearm, minimizing strain on muscles and tendons.
- Contributes to reduced hand, wrist, and shoulder fatigue during extended use.

A hand comfortably resting on the Redragon BM-4033 vertical ergonomic mouse, illustrating its design for a natural wrist and arm posture.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the mouse. For stubborn dirt, a slightly damp cloth can be used, ensuring no moisture enters the internal components.
- Battery Replacement: Replace the AA battery when the low battery indicator blinks. Always use a fresh, high-quality AA battery.
- Storage: When not in use for extended periods, store the USB receiver in its dedicated slot on the mouse to prevent loss.
- Avoid Extreme Conditions: Do not expose the mouse to extreme temperatures, direct sunlight, or excessive moisture.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Mouse not responding |
|
| Cursor movement is erratic or slow |
|
| Mouse enters sleep mode too quickly |
|
Specifications
| Model Number | BM4033 |
| Connectivity | 2.4GHz Wireless (USB Nano Receiver) |
| DPI Levels | 800 / 1200 / 1600 / 2400 / 4000 |
| Movement Detection | Optical |
| Power Source | 1 x AA Battery (not included) |
| Operating Range | Up to 10 meters (33 feet) |
| Dimensions (L x W x H) | Approx. 12 cm x 8.7 cm x 6.3 cm (4.72 in x 3.43 in x 2.48 in) |
| Weight | Approx. 6.3 ounces (178.6 grams) |
| Compatibility | Windows, macOS, Linux, Chrome OS |

A visual representation of the Redragon BM-4033 mouse's dimensions, showing its length (12 cm / 4.72 in), width (8.7 cm / 3.43 in), and height (6.3 cm / 2.48 in).

The Redragon BM-4033 mouse displayed with logos representing its compatibility across multiple operating systems, including Windows, macOS, Linux, and Chrome OS.
Warranty and Support
For warranty information and technical support, please refer to the official Redragon website or contact their customer service directly. Specific warranty terms may vary by region and retailer.
Online Support: Visit the Redragon Store on Amazon for product information and support resources.





