1. Introduction
Thank you for choosing the AJAZZ AK35I V4 Three-Mode Mechanical Gasket Keyboard. This keyboard is designed for computer and office use, offering a customizable and versatile typing experience with its three connection modes, hot-swappable switches, and unique Western Cowboy theme. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure you get the most out of your new keyboard.
2. Key Features
- Three-Mode Connection: Seamlessly switch between USB wired, 2.4G wireless, and Bluetooth 5.1 connectivity.
- Gasket Structure: Provides a softer, more cushioned typing feel and improved acoustics.
- Hot-Swappable Full Keys: Easily replace mechanical switches without soldering to customize your typing experience.
- 10000mAh Battery: Long-lasting power for extended wireless use.
- Multi-functional Interaction: Features a 1.14-inch color screen and a metal volume knob for intuitive control.
- Customized Switches: Equipped with true mechanical switches, such as the Avocado switch, for a tactile typing feel.
- FR4 Positioning Plate: Ensures uniform and accurate key force feedback.
- RGB Lighting: Offers 20 dynamic RGB lighting effects, including a music groove mode.
- 104-Key Layout: Full-size keyboard for comprehensive functionality.
- Western Cowboy Theme: Unique aesthetic design inspired by Wild West elements.
3. Package Contents
Please check the package for the following items:
- AJAZZ AK35I V4 Keyboard x 1
- Type-C Data Cable x 1
- User Manual x 1
- Dust Cover x 1
- 2-in-1 Key Puller x 1
- Free Shaft (Spare Switches) x 2
4. Setup and Connection
The AK35I V4 keyboard supports three connection modes: USB Wired, 2.4G Wireless, and Bluetooth 5.1. Choose the mode that best suits your needs.
4.1. USB Wired Connection
- Connect the provided Type-C data cable to the keyboard's Type-C port.
- Plug the other end of the USB cable into an available USB port on your computer.
- The keyboard will be automatically recognized and ready for use.
4.2. 2.4G Wireless Connection
- Locate the 2.4G USB receiver (dongle) in the keyboard's storage slot (usually on the back or side).
- Plug the 2.4G USB receiver into an available USB port on your computer.
- Switch the keyboard to 2.4G wireless mode using the mode switch (refer to the "Operating Modes" section).
- The keyboard should connect automatically. If not, press the Fn + 4 key combination to initiate pairing.

Image: Three-mode connection options (2.4G, Bluetooth, USB) with descriptions of their benefits.
4.3. Bluetooth 5.1 Connection
- Switch the keyboard to Bluetooth mode using the mode switch (refer to the "Operating Modes" section).
- The keyboard will enter pairing mode, indicated by a flashing light (usually on the screen or an indicator LED).
- On your device (computer, laptop, tablet), go to Bluetooth settings and search for new devices.
- Select "AJAZZ AK35I V4" (or similar name) from the list of available devices to pair.
- If prompted, enter the pairing code displayed on your screen.
- The keyboard supports up to three Bluetooth devices. Use Fn + 1, Fn + 2, or Fn + 3 to switch between paired devices.
5. Operating Modes and Switching
The keyboard features a physical switch (often located on the top edge or back) to select between connection modes. The 1.14-inch color screen will also display the current connection status.
- Wired Mode: Connect the USB-C cable. The keyboard will automatically switch to wired mode.
- 2.4G Wireless Mode: Use the mode switch to select 2.4G. The screen will indicate 2.4G connection.
- Bluetooth Mode: Use the mode switch to select BT. The screen will indicate BT connection. Use Fn + 1/2/3 to select a specific Bluetooth profile.
6. Charging the Keyboard
The AK35I V4 is equipped with a 10000mAh battery. To charge the keyboard:
- Connect the keyboard to your computer using the provided Type-C data cable.
- The indicator light will turn on during charging and turn off when fully charged.
Important Charging Instructions:
- It is recommended to only use the USB interface of the computer to charge the keyboard.
- Do not use a fast-charging mobile phone charger to charge the keyboard.
- Do not use inferior non-standard power adapters to charge the keyboard.
- Do not use over-voltage and over-current power adapters to charge the keyboard.
- Please stay away from high-temperature equipment when charging.
- Please turn off the power switch when not in use for a long time.
These charging instructions also apply to other devices with charging functions (Keyboard/Mouse/Headphones/Speakers, etc.).

Image: Battery capacity and charging guidelines.
7. Customization and Multimedia Functions
7.1. Hot-Swappable Switches
The AK35I V4 features hot-swappable sockets, allowing you to easily change mechanical switches without soldering. This enables customization of typing feel and sound.
- Use the provided 2-in-1 key puller to carefully remove the keycap from the desired switch.
- Use the switch puller end of the tool to gently grip the switch from its top and bottom clips.
- Pull the switch straight up to remove it from the PCB.
- Align the pins of the new switch with the holes on the PCB and press it firmly until it clicks into place. Ensure pins are not bent.
- Replace the keycap.

Image: Hot-swappable feature demonstrating switch removal.
7.2. RGB Lighting Effects
The keyboard offers 20 different RGB lighting effects. Use the dedicated function keys or the 1.14-inch screen interface to cycle through effects, adjust brightness, and speed.

Image: RGB music groove lighting effect.
7.3. Multi-functional Screen and Knob
The 1.14-inch color screen provides real-time information and access to various settings. The metal volume knob allows for quick adjustments.
- Screen Display: Shows time, date, connection mode, battery level, and other settings.
- Volume Knob: Rotate to adjust volume. Press to mute/unmute.
- Screen Navigation: Use the knob or specific Fn key combinations to navigate through screen menus for lighting effects, brightness, speed, and other keyboard settings.

Image: Multi-functional screen and knob interface.
8. Specifications

Image: Detailed product specifications.
| Feature | Detail |
|---|---|
| Brand | AJAZZ Black Jue |
| Model | Black Jue AK35I V4 |
| Transmission Method | USB wired, 2.4G wireless, BT5.1 |
| Interface Type | Type-C interface with separate key and wire |
| Dimensions (LxWxH) | 447 x 150 x 42.5 mm (17.59 x 5.90 x 1.67 inches) |
| Weight | ~1230g |
| Housing Material | ABS injection molding |
| Lighting Effects | RGB (20 Lighting Effects) |
| Key Layout | 104-key quasi-type with metal volume knob |
| Product Structure | Gasket structure |
| Cable Length | PVC 1.6M TYPE-C wire |
| Matrix | Full key without punch |
| Supported Systems | Windows Vista/XP/7/8/10/11, Mac, Android |
| Battery Capacity | 10000mAh |
9. Maintenance
To ensure the longevity and optimal performance of your AJAZZ AK35I V4 keyboard, follow these maintenance tips:
- Cleaning: Regularly clean the keyboard with a soft, dry cloth. For deeper cleaning, remove keycaps using the provided key puller and use compressed air to clear dust and debris from between switches.
- Keycap Cleaning: Keycaps can be gently washed with mild soap and water, then thoroughly dried before reattaching.
- Switch Care: Avoid spilling liquids on the keyboard. If a switch feels inconsistent, it can be hot-swapped and replaced with one of the spare switches or a known working switch.
- Storage: When not in use, especially for extended periods, use the provided dust cover to protect the keyboard from dust and spills. Store in a cool, dry place.
- Cable Management: Avoid sharp bends or excessive pulling on the Type-C cable to prevent damage.
10. Troubleshooting
If you encounter any issues with your keyboard, please refer to the following common troubleshooting steps:
| Problem | Solution |
|---|---|
| Keyboard not responding in wired mode. |
|
| 2.4G wireless connection issues. |
|
| Bluetooth pairing failure or disconnection. |
|
| Keys not registering or double-typing. |
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| RGB lighting not working or stuck. |
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| Keyboard not charging. |
|
11. User Tips
- Experiment with Switches: Since the keyboard is hot-swappable, don't hesitate to try different types of mechanical switches to find your preferred typing feel.
- Customize RGB: Explore the 20 different RGB lighting effects and adjust them to match your setup or mood. The music groove mode can add an immersive experience.
- Utilize the Screen: The 1.14-inch screen is a powerful tool for quick adjustments and monitoring. Familiarize yourself with its navigation.
- Battery Management: For optimal battery life, remember to turn off the keyboard when not in use for extended periods, especially if using wireless modes.
12. Warranty and Support
For warranty information and technical support, please refer to the official AJAZZ website or contact your retailer. Keep your purchase receipt as proof of purchase.





