1. Product Overview
The Coidea Bt54 is a versatile mini mechanical keyboard designed for enhanced productivity and gaming. It offers multiple connectivity options (wired, Bluetooth, 2.4G wireless) and extensive customization capabilities, including programmable keys, macro support, and ARGB backlighting.
Key Features:
- Customizable keys and multi-key combination output
- Support for hardware macros and random delay
- Onboard memory for storing configurations
- Multimedia control functions
- ARGB colorful backlighting with multiple modes
- Available in 35-key and 54-key layouts
- Wired, Bluetooth, and 2.4G wireless connectivity

2. Package Contents
Upon opening your Coidea Bt54 package, you should find the following items:
- Coidea Bt54 Mini Mechanical Keyboard (35-key or 54-key model)
- 1.5m USB Data Cable
- 2.4G Wireless Receiver (for wireless models)

3. Setup Guide
3.1. Connectivity Options
- Wired Connection: Connect the keyboard to your computer using the provided 1.5m USB data cable.
- 2.4G Wireless Connection: Plug the 2.4G wireless receiver into an available USB port on your computer. The keyboard should connect automatically.
- Bluetooth Connection: Turn on Bluetooth on your device and put the keyboard into Bluetooth pairing mode (refer to specific model instructions if available for pairing button). Select the keyboard from your device's Bluetooth list to pair.
3.2. Software Installation and Configuration
To unlock the full customization potential of your Coidea Bt54 keyboard, you will need to use the dedicated configuration software. This software allows you to remap keys, create macros, and adjust backlight settings.
- Open Configuration Software: Launch the 'COIDEA Smart KeyBoard' software on your computer.
- Connect the Keyboard: Ensure your keyboard is connected to the computer via the USB data cable.
- Configure Keys: Double-click the key on the software interface that you wish to configure.
- Select Function: Choose the desired function from the available options (e.g., basic key, system function, mouse function, text input, media control, macros).
- Download to Keyboard: After making your desired changes, click 'Download to Keyboard' to save the configuration to the keyboard's onboard memory.

3.3. ARGB Backlight
The keyboard features ARGB colorful backlighting with multiple modes. The light color and brightness of each button can be set separately using the configuration software.
- Backlight Modes: Close, Always bright, Breathing, Brilliant, Water pattern, Macro Status Indication.
Note: For wireless models, the backlight will only illuminate when the keyboard is plugged into the data cable.
4. Operating Instructions
4.1. Basic Key Functions
The keyboard allows you to remap any key to perform a different function. This includes standard alphanumeric inputs, system functions, and multimedia controls.
4.2. Mouse Functions
You can program keys to perform various mouse actions, such as right-click, left-click, mouse movement, or clicking at a fixed point on the screen.
4.3. Advanced Features & Macros
- Key Combinations: Assign a single key to execute complex key combinations (e.g., CTRL+C for copy).
- Sequential Actions: Program a key to input a series of keyboard actions, such as entering a password or a sequence of commands.
- Automatic Keys: Support for automatic key presses.
- Burst Function: Continuous clicks on a key or continuous clicks on the mouse.
- Multimedia & System Shortcuts: Support for mouse and keyboard combination shortcut keys, including CTRL, SHIFT, ALT, volume adjustment, next song, play/pause, etc.

4.4. Application Scenarios
The Coidea Bt54 is highly adaptable for various uses:
- Office Productivity: Create shortcuts for common office tasks like copy, paste, find, and save to streamline your workflow.
- Design & Creative Work: Program keys for specific functions in design software (e.g., Adobe Photoshop, Illustrator, Lightroom, Premiere Pro, DaVinci Resolve) to enhance efficiency.
- Gaming: Utilize multi-key actions and macros for complex in-game commands, providing a competitive edge.



5. Maintenance
5.1. Cleaning
To clean your keyboard, gently wipe the keycaps and surface with a soft, dry, or slightly damp cloth. Avoid using harsh chemicals or abrasive materials. For deeper cleaning, you may carefully remove keycaps (if designed to be removable) and use compressed air to clear debris from beneath.
5.2. Battery Information (Wireless Models)
Wireless models are equipped with a built-in lithium battery. Charge the keyboard using the provided USB data cable. A single charge provides approximately 500 hours of continuous use in 2.4G wireless mode and 300 hours in Bluetooth mode.

6. Troubleshooting
6.1. Functional Differences Across Operating Systems
The keyboard's functionality may vary depending on the operating system and connection mode. Refer to the table below for details:
| Operating System | Connection Mode | Supported Functions |
|---|---|---|
| Windows 7 and above | Wired, Wireless | All functions supported. |
| Bluetooth | One-key opening and one-key Chinese input not supported. Data table setting function required. | |
| Windows XP | Wired, Wireless | No configuration software. Functions need to be set up on the computer. Chinese input not supported. |
| Bluetooth | Not supported. | |
| Mac | Wired, Wireless | One-click Chinese input not supported. |
| Bluetooth | One-key opening and one-key Chinese input not supported. Data table setting function required. | |
| Android Phone/Tablet | Bluetooth | Functions need to be set up on the computer. Does not support a key to open, Chinese input, absolute coordinates, or touch screen. |
| iOS Phone/Tablet | Bluetooth | Functions need to be set up on the computer. Does not support a key to open, Chinese input, absolute coordinates, or touch screen. |
| Linux and its variants | Wired, Wireless | No configuration software. Functions need to be set up on the computer. Chinese input not supported. |
| Bluetooth | No configuration software. Functions need to be set up on the computer. Chinese input not supported. |
6.2. Functions After Closing Software
Some functions require the configuration software to be running, while others are stored in the keyboard's onboard memory and work independently.
| Functions Requiring Software Connection | Functions Stored in Onboard Memory (No Software Needed) |
|---|---|
| A key to open web page/file function | Replace ordinary keys |
| One key input Chinese function | Key combinations, macros, automatic keys |
| Automatically switch scene according to running software | Burst function, mouse function |
| Display suspense | Volume adjustment, media control |
| Key switch scene |
7. Specifications
| Feature | Description |
|---|---|
| Brand Name | ziyoulang (Coidea) |
| Type | Bluetooth Wireless |
| Operation Style | Mechanical |
| Keyboard Standard | Mini Keyboard (35-key, 54-key options) |
| Interface Type | USB |
| Application | Desktop, Laptop, Tablet |
| Language | English |
| Package | Yes |
| Battery Included | Yes (for wireless models) |
| Style | Standard |
| High-concerned chemical | None |
| Origin | Mainland China |
7.1. Dimensions and Weight
54-key Model:
- Dimensions: 17.5 cm (Length) x 13.3 cm (Width) x 2.8 cm (Height)
- Wireless Model Weight: Approximately 322g
- Wired Model Weight: Approximately 310g

35-key Model:
- Dimensions: 14.2 cm (Length) x 11.4 cm (Width) x 2.8 cm (Height)
- Wireless Model Weight: Approximately 224g
- Wired Model Weight: Approximately 212g

8. User Tips
- Backlight for Wireless Models: Remember that the ARGB backlight on wireless models will only light up when the keyboard is connected via the USB data cable.
- Software Configuration: For full customization, always use the 'COIDEA Smart KeyBoard' software. Save your configurations to the keyboard's onboard memory for use without the software running.
- Operating System Compatibility: Be aware of potential functional limitations when using the keyboard with operating systems other than Windows 7 and above, especially for Bluetooth connections and Chinese input.
- Battery Life: To maximize battery life on wireless models, consider turning off the backlight when not connected via USB, or use wired mode for extended sessions.
9. Warranty and Support
For any issues, technical support, or warranty claims, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.