1. Introduction
Thank you for choosing the AJAZZ AK690 Wired Mechanical Keyboard. This manual provides detailed instructions on how to set up, operate, and maintain your new keyboard. Please read this manual thoroughly to ensure optimal performance and longevity of your device.

2. Key Features
The AJAZZ AK690 keyboard is designed for an enhanced typing and gaming experience, featuring:
- 68-Key Layout: A streamlined layout that removes the infrequently used numeric keypad for a cleaner desktop and more convenient use.
- Full-Key Hot-Swappable Switches: Equipped with customized switch sockets, allowing users to easily change switches for a personalized typing feel without soldering.
- Wired Connection: Ensures stable and smooth operation without signal attenuation or interruption.
- Multi-Color Backlight (Phantom Color Lighting Effects): Trendy lighting effects paired with translucent keycaps provide a new visual experience, especially at night.
- Multifunction Metal Knob: For quick operations such as switching light effects, adjusting light brightness, mute, and volume.
- Ergonomic Design: Comfortable typing experience with wear-resistant and non-greasy keycap surfaces.
- Double-Layer Height Adjustable Feet: Adjustable feet to meet different typing habits, ensuring comfort and ease.


3. Package Contents
Upon unpacking, please ensure all the following items are present:
- AJAZZ AK690 Keyboard x1
- Type-C Cable x1
- Keycap Puller x1
- Switch Puller x1
- Instruction Manual x1
4. Specifications
| Feature | Description |
|---|---|
| Brand | AJAZZ |
| Model | AK690 |
| Connection Method | USB Wired |
| Interface Type | Type-C |
| Dimensions | 325mm x 114mm x 42mm (12.8 x 4.49 x 1.65 inches) |
| Weight | 535 ± 20g |
| Cable Length | 1.5m |
| Lighting Effect | Mixed Light |
| Key Layout | 68 Keys, Full N-Key Rollover |
| Operation Style | Mechanical |
| Switches Hot Swap | Yes |
| Supported Systems | Windows Vista/XP/7/8/10/11, Mac, Android |

5. Setup Guide
- Unpack the Keyboard: Carefully remove the keyboard and all accessories from the packaging.
- Connect the USB Cable: Insert the Type-C end of the provided USB cable into the keyboard's Type-C port.
- Connect to Device: Plug the standard USB-A end of the cable into an available USB port on your computer (Desktop, Laptop, or Tablet).
- Plug and Play: The keyboard is plug-and-play. Your operating system (Windows, Mac, Android) should automatically detect and install the necessary drivers. No additional software installation is typically required.
- Adjust Keyboard Height: Flip the keyboard over and extend the double-layer adjustable feet to your preferred typing angle (short or tall stage).


6. Operating Instructions
6.1 Basic Typing
The AJAZZ AK690 functions as a standard 68-key keyboard. Simply begin typing after connecting it to your device.
6.2 Multifunction Metal Knob
The metal knob located on the top right of the keyboard provides quick control over various functions:
- Pressing the Knob: Can switch between different light effects.
- Rotating Left/Right: Adjusts light brightness, mutes/unmutes audio, or controls volume, depending on the active mode.

6.3 Hot-Swappable Switches
The AK690 supports full-key hot-swapping, allowing you to customize your typing experience by changing mechanical switches without soldering.
- Remove Keycap: Use the provided keycap puller to gently remove the desired keycap.
- Remove Switch: Use the provided switch puller to carefully grip the switch and pull it straight up.
- Insert New Switch: Align the pins of the new switch with the holes on the PCB. Gently press the switch down until it clicks into place. Ensure the pins are not bent.
- Replace Keycap: Place the keycap back onto the new switch.

7. Maintenance
- Cleaning Keycaps: Use the keycap puller to remove keycaps. Clean them with mild soap and water, then dry thoroughly before reattaching.
- Cleaning the Keyboard Body: Use a soft, dry cloth to wipe down the keyboard body. For stubborn dirt, a slightly damp cloth can be used, ensuring no moisture enters the internal components.
- Dust Removal: Use compressed air to blow out dust and debris from between the keys.
- Avoid Liquids: Do not spill liquids on the keyboard. If a spill occurs, immediately disconnect the keyboard and allow it to dry completely before reconnecting.
- Storage: Store the keyboard in a cool, dry place away from direct sunlight and extreme temperatures.
8. Troubleshooting
- Keyboard not responding:
- Ensure the USB cable is securely connected to both the keyboard and your device.
- Try connecting the keyboard to a different USB port on your device.
- Test the keyboard on another computer to rule out a device-specific issue.
- Restart your computer.
- Lighting effects not working or incorrect:
- Press the multifunction knob to cycle through different lighting modes.
- Rotate the knob to adjust brightness.
- Ensure the keyboard is properly powered via the USB connection.
- Keys not registering or double-typing:
- This could indicate a faulty switch. Use the switch puller to remove and reseat the affected switch.
- If reseating doesn't work, consider replacing the switch with a new one (utilizing the hot-swappable feature).
- Clean any debris or dust from around the switch.
9. User Tips
- Experiment with Switches: Take advantage of the hot-swappable feature to try different switch types (e.g., linear, tactile, clicky) to find your preferred typing feel.
- Customize Lighting: Explore the various lighting modes and brightness levels using the multifunction knob to match your setup or mood.
- Ergonomic Positioning: Adjust the keyboard's feet and your chair height to maintain a comfortable and ergonomic typing posture, reducing strain during long sessions.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please refer to the documentation provided at the time of purchase or contact the retailer/manufacturer directly. Keep your proof of purchase for warranty claims.





