1. Introduction
The AULA F21 is a 21-key transparent numeric mechanical keyboard designed for enhanced productivity and gaming. It features a versatile tri-mode connection (wired, 2.4G wireless, and Bluetooth 5.2), hot-swappable switches, and customizable functions. This compact and ergonomic numeric keypad is compatible with multiple operating systems, making it an indispensable tool for various computing environments.
Figure 1: AULA F21 Transparent Numeric Mechanical Keyboard
2. Safety & Warnings
▲ General Warning:
- This product is intended for users aged 14 years and older.
- Keep out of reach of small children.
▲ Battery Warning:
This device contains a lithium-ion battery. Please mind potential fire risk and strictly follow the instruction manual for charging and storage. For disposal, please check your local authority's website for more information and dispose of the lithium-ion battery safely in accordance with applicable legal requirements.
KEEP OUT OF REACH OF CHILDREN. In case of ingestion, seek medical attention immediately.
3. Setup Instructions
The AULA F21 keyboard supports three connection modes: 2.4G Wireless, Bluetooth, and Wired (Type-C).
Figure 2: Overview of connection modes
3.1. 2.4G Wireless Connection
- Turn on the power switch located on the back of the keyboard.
- Press and hold the FN key and the number 0 key simultaneously for approximately 3 seconds. The backlight of the '0' key will flash rapidly, indicating pairing mode.
- Remove the 2.4G wireless receiver from the back of the keyboard.
- Plug the 2.4G wireless receiver into an available USB port on your desktop PC or laptop.
- The '0' key backlight will stop flashing and remain steadily lit, then turn off, indicating successful pairing. The keyboard is now ready for use.
Video 1: Demonstration of 2.4G wireless connection setup.
3.2. Bluetooth Connection
- Turn on the power switch located on the back of the keyboard.
- Press and hold FN + 1, FN + 2, or FN + 3 for approximately 3 seconds to enter Bluetooth pairing mode for BT1, BT2, or BT3 respectively. The corresponding key backlight will flash rapidly.
- On your mobile phone, computer, or tablet, open the Bluetooth settings.
- Search for available Bluetooth devices and select the AULA F21 keyboard to connect.
- Once connected, the corresponding key backlight will stop flashing and remain steadily lit, then turn off.
Figure 3: Bluetooth connection options (BT1, BT2, BT3).
3.3. Wired (Type-C) Connection
- Connect the keyboard to your device using the provided Type-C charging cable.
- The keyboard will automatically switch to wired mode and function without additional pairing.
Figure 4: Type-C port for wired connection and charging.
4. Operating Instructions
4.1. Basic Functions
- The AULA F21 is a 21-key numeric keypad designed for efficient data entry.
- All keys are punchless, ensuring accurate and responsive input.
4.2. Custom Software
The keyboard supports custom software that allows you to personalize lighting effects and key functions according to your preferences. Refer to the official AULA website for software download and detailed instructions.
Figure 5: Custom software interface for personalized settings.
4.3. Hot-Swappable Switches
The AULA F21 features a hot-swappable design, allowing you to easily replace 3-pin or 5-pin mechanical switches without soldering. This provides flexibility for customizing your typing experience.
Figure 6: Hot-swappable Ice Crystal Switch.
4.4. Multi-System Compatibility
The keyboard is compatible with Windows, Apple (macOS/iOS), and Android operating systems, offering broad usability across different devices.
Figure 7: Multi-system compatibility.
5. Maintenance
To ensure the longevity and optimal performance of your AULA F21 keyboard, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the keyboard surface. For deeper cleaning, you may use a small brush or compressed air to remove dust and debris from between the keycaps.
- Storage: Store the keyboard in a cool, dry place, away from direct sunlight, high temperatures, and excessive humidity.
- Handling: Handle the keyboard with care to avoid scratches or breakage. Do not bend, twist, or force any parts.
- Battery Care: Avoid fully discharging the battery frequently. Charge the keyboard regularly to maintain battery health.
6. Troubleshooting
If you encounter issues with your AULA F21 keyboard, try the following steps:
- Connection Issues:
- Ensure the keyboard is powered on.
- For 2.4G wireless, re-pair the device by following the setup instructions.
- For Bluetooth, ensure Bluetooth is enabled on your device and re-pair.
- For wired connection, try a different USB port or Type-C cable. - Keys Not Responding:
- Check if the keyboard is properly connected.
- If using wireless modes, ensure the battery is charged. - Software Issues:
- Ensure you have the latest version of the custom software installed.
- Restart the software and/or your computer.
If problems persist, please contact customer support.
7. Specifications
| Feature | Specification |
|---|---|
| Product Name | F21 High permeability mechanical keyboard |
| Brand Name | AULA |
| Type | Bluetooth Wireless, Customized Keyboard, Numeric Keypad |
| Connection Modes | Wired (Type-C), 2.4G Wireless, Bluetooth 5.2 (3 devices) |
| Number of Keys | 21 keys |
| Keycap Material | PBT plastic, PC transparent key cap |
| Switches | Hot-swappable (3/5 pin shaft), Transparent Jellyfish Axis |
| Backlight Type | Monochrome (White Lighting) |
| Operation Style | Mechanical |
| Style | Standard, Ergonomics |
| Application | Desktop, Laptop, Number |
| Battery | Rechargeable (600mAh core capacity) |
| Charging Interface | Type-C |
| Product Size | 120.5 × 82.5 × 37.8 ±3mm |
| Product Weight | 158 ±3g |
| Sound Attenuation | Embedded poron sound-absorbing cotton |
| Certification | CE |
Figure 8: Detailed product parameters.
Figure 9: Keyboard dimensions.
8. User Tips
- Customization: Take advantage of the custom software to tailor key functions and lighting to your specific workflow or gaming needs.
- Switch Swapping: Experiment with different hot-swappable switches to find the tactile feel and sound profile that best suits your preference.
- Multi-Device Use: Utilize the three Bluetooth channels to quickly switch between your computer, tablet, and smartphone for seamless productivity.
9. Warranty & Support
9.1. Manufacturer Information
Company Name: Chongqing Mengya Rabbit Network Technology Co., Ltd.
Full Address: CN Chongqing, Chongqing City, Jiulongpo District, Yuzhou Road Sub-district, No. 200, Qiyuan 1st Road, Building 15-5, #15-5-319
Phone number: 86-18723183702
Email: 913331165@qq.com
9.2. EU Authorized Representative
Company name: MJCM SARL
Address: 78 avenue des Champs Elysees Bureau 326, PARIS, FR
Email: mjcm190928@gmail.com
For detailed warranty information and further support, please refer to the complete user manual available in PDF format: View User Manual (PDF)
