1. Introduction
This manual provides instructions for the Redragon BS8773 Wireless Keyboard and Mouse Combo. Please read this manual thoroughly before using the product to ensure proper operation and to prevent damage.
2. Package Contents
- Redragon BS8773 Wireless Keyboard
- Redragon Wireless Mouse
- 2.4GHz USB Receiver (stored inside the mouse)
- USB-C Charging Cable (for keyboard)
- AA Battery (for mouse, may be pre-installed or included separately)
- User Manual (this document)
3. Setup
3.1. Initial Setup
- Mouse Battery Installation: Open the battery compartment on the underside of the mouse and insert the provided AA battery, ensuring correct polarity.
- Keyboard Charging: Connect the USB-C charging cable to the keyboard's charging port and the other end to a USB power source (e.g., computer USB port, USB wall adapter). The keyboard has a built-in rechargeable battery.
- Retrieve USB Receiver: The 2.4GHz USB receiver is typically stored in a compartment on the underside of the mouse. Carefully remove it.
- Connect USB Receiver: Plug the 2.4GHz USB receiver into an available USB port on your computer.
- Power On Devices:
- Keyboard: Locate the power switch on the keyboard (usually on the side or bottom) and slide it to the "ON" position.
- Mouse: Locate the power switch on the mouse (usually on the underside) and slide it to the "ON" position.
- Automatic Connection: The keyboard and mouse should automatically connect to your computer via the 2.4GHz USB receiver. No additional drivers are typically required for basic functionality.

Image: The Redragon BS8773 keyboard and mouse are designed to share a single 2.4GHz USB receiver for convenient wireless connectivity.

Image: Detail of the keyboard's USB-C charging port and the compact 2.4GHz USB receiver, which enables wireless connection for both devices.
4. Operating the Keyboard
4.1. Basic Functions
The Redragon BS8773 keyboard features a compact 78-key layout with low-profile mechanical red switches for a responsive typing experience. All standard keyboard functions operate as expected.
4.2. Backlight Control
The keyboard is equipped with a single blue backlight and double-shot shine-through keycaps for enhanced visibility in various lighting conditions.
- Adjust Brightness: Use the designated function key combination (e.g., Fn + Up/Down Arrow) to increase or decrease the backlight brightness. Refer to the keyboard's keycap legends for specific controls.
- Toggle Backlight: A function key combination may be available to turn the backlight on or off.

Image: The Redragon BS8773 keyboard and mouse combo featuring its single blue backlight, providing clear key visibility and a distinct aesthetic.

Image: A close-up view of the low-profile red mechanical switches on the Redragon BS8773 keyboard, highlighting their design for quick and quiet actuation.
5. Operating the Mouse
5.1. DPI Adjustment
The mouse offers 5 adjustable DPI levels to customize sensitivity for different tasks:
- DPI Settings: 800 / 1200 / 1600 / 2000 / 2400 DPI.
- Switching DPI: Press the dedicated DPI button (usually located near the scroll wheel) to cycle through the available DPI settings. An indicator light may change color or flash to show the current setting.
5.2. Ergonomics
The mouse is designed with a comfort grip to reduce strain during extended use, complementing the ergonomic design of the keyboard.
6. Maintenance
6.1. Cleaning
- Turn off both the keyboard and mouse before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution.
- Avoid excessive moisture and do not spray cleaners directly onto the devices.
- For keycaps, a small brush or compressed air can remove dust and debris.
6.2. Battery Care
- Keyboard: Recharge the keyboard when the battery indicator shows low power or when performance degrades. Use the provided USB-C cable.
- Mouse: Replace the AA battery in the mouse when it stops responding or shows signs of low power.
- To conserve battery life, turn off the keyboard and mouse when not in use for extended periods.
7. Troubleshooting
7.1. No Response from Keyboard/Mouse
- Ensure both devices are powered on.
- Check if the 2.4GHz USB receiver is securely plugged into a working USB port on your computer. Try a different USB port.
- For the keyboard, ensure it is charged. Connect the USB-C cable to charge.
- For the mouse, replace the AA battery.
- Restart your computer.
7.2. Lag or Intermittent Connection
- Ensure the keyboard and mouse are within close proximity to the USB receiver (ideally within 10 meters) and there are no large metal objects obstructing the signal.
- Avoid placing the receiver near other 2.4GHz devices (e.g., Wi-Fi routers, other wireless peripherals) that might cause interference.
- Check battery levels for both devices and recharge/replace if necessary.
7.3. Keyboard Backlight Not Working
- Ensure the keyboard is powered on and has sufficient battery charge.
- Use the function key combination (e.g., Fn + Up/Down Arrow) to adjust brightness or toggle the backlight on/off.
8. Specifications
| Brand | Redragon |
| Model Number | BS8773 |
| Connectivity Technology | 2.4GHz Radio Frequency Wireless |
| Keyboard Type | 78-Key Low-Profile Mechanical (Red Switches) |
| Keyboard Backlight | Single Blue Backlit |
| Mouse DPI Settings | 800/1200/1600/2000/2400 DPI |
| Compatible Devices | Laptop, Personal Computer |
| Keyboard Power Source | Built-in Rechargeable Battery (Lithium Polymer) |
| Mouse Power Source | 1x AA Battery |
| Color | Black/Red |
| Item Weight | 378 Grams |
| Parcel Dimensions | 43.79 x 13.4 x 5 cm |
| Country of Origin | China |
9. Warranty and Support
For warranty information, technical support, or customer service inquiries, please refer to the contact information provided on the product packaging or visit the official Redragon website. Keep your purchase receipt for warranty claims.