1. Product Overview
The AJAZZ AK690 is a 65% layout wired mechanical keyboard designed for desktop use, offering a compact form factor with 68 keys. It features full-key hot-swappable switches, multicolor backlighting, and a multifunctional metal knob for enhanced user experience.

This keyboard is built for durability and comfort, featuring wear-resistant keycaps and adjustable feet. Its plug-and-play wired connection ensures stable operation without signal interruption.

2. Package Contents
Please check the package for the following items:
- AJAZZ AK690 Mechanical Keyboard (x1)
- TYPE-C Cable (x1)
- Keycap Puller (x1)
- Switch Puller (x1)
- Instruction Manual (x1)
3. Setup Guide
The AJAZZ AK690 keyboard is designed for simple plug-and-play operation.
- Connect the Keyboard: Use the provided TYPE-C cable to connect the keyboard to an available USB port on your computer (Laptop or PC).
- System Recognition: Your operating system (Windows Vista/XP/7/8/10/11, Mac, Android) will automatically detect and install the necessary drivers.
- Ready for Use: The keyboard is now ready for immediate use.

4. Operating Instructions
4.1. Multifunctional Metal Knob
The metal knob located on the top right of the keyboard provides quick access to various functions:
- Press: Press the knob to switch between different lighting effects.
- Rotate Left/Right: Rotate the knob to adjust light brightness, mute/unmute audio, or control volume.

4.2. Backlighting
The AK690 features multicolor backlighting with phantom color lighting effects, enhancing the visual experience, especially in low-light conditions. Use the multifunctional knob to cycle through and adjust these effects.

4.3. Adjustable Height
The keyboard is equipped with double-layer adjustable feet, allowing you to set the typing angle to your preference for optimal comfort and ergonomics.

5. Maintenance
5.1. General Cleaning
To maintain your keyboard's performance and appearance:
- Regularly dust the keyboard using compressed air or a soft brush.
- Wipe the keycaps and surface with a soft, damp cloth. Avoid harsh chemicals.
- The keycaps are designed to be wear-resistant and non-greasy, making them easy to clean.

5.2. Hot-Swappable Switches
The AK690 features full-key hot-swappable switch sockets, allowing you to easily replace switches without soldering. This enables customization and simplifies maintenance if a switch malfunctions.
- Remove Keycap: Use the included keycap puller to gently remove the desired keycap.
- Remove Switch: Use the included switch puller to carefully extract the mechanical switch from its socket.
- Install New Switch: Align the pins of the new switch with the holes in the PCB and press firmly until it clicks into place. Ensure pins are not bent.
- Replace Keycap: Place the keycap back onto the new switch.

6. Troubleshooting
If you encounter any issues with your AJAZZ AK690 keyboard, please refer to the following common solutions:
- Keyboard not responding:
- Ensure the USB-C cable is securely connected to both the keyboard and your computer.
- Try connecting the keyboard to a different USB port on your computer.
- Test the keyboard on another computer to rule out system-specific issues.
- Check if the cable is damaged; try a different compatible USB-C cable if available.
- Keys not registering:
- If specific keys are not working, the switch might be faulty. Utilize the hot-swap feature to replace the switch (refer to Section 5.2).
- Ensure no debris is lodged under the keycap or switch.
- Backlight not working or incorrect:
- Press the multifunctional knob to cycle through lighting effects.
- Rotate the knob to adjust brightness.
- Ensure the keyboard is properly powered via the USB connection.
For further assistance, please consult the included instruction manual or contact Ajazz customer support.
7. Specifications
The following table details the technical specifications of the AJAZZ AK690 Mechanical Keyboard:

| Feature | Detail |
|---|---|
| Brand | AJAZZ |
| Model | AK690 |
| Connection Method | USB Wired |
| Interface Type | Type-C |
| Dimensions | 325*114*42mm (12.8*4.49*1.65 inches) |
| Weight | 535±20g (approx. 1.18 lbs) |
| Cable Length | 1.5M (approx. 4.9 feet) |
| Lighting Effect | Mixed Light (Multicolor) |
| Keyboard Standard | 68 Keys, Full N-Key Rollover |
| Operation Style | Mechanical |
| Switches Hot Swap | Yes |
| Language | English |
| Supported Systems | Windows Vista/XP/7/8/10/11, Mac, Android |
| Certification | CE |
7.1. Mechanical Switch Types (Optional)
The AK690 keyboard is available with different mechanical switch types, each offering a unique typing experience:

| Parameter | Meilade Switch MC (Linear) | Taowu Switch (Linear) |
|---|---|---|
| Total Travel | 3.5±0.5mm | 3.6-4.0mm |
| Actuation Travel | 1.6±0.5mm | 2.00±0.6mm |
| Operating Force | 45±10gf | 45±10gf |
| Bottom-out Force | 56±10gf | 65gf Max |
| Minimum Actuation Force | 30gf Min | N/A |
8. User Tips
- Experiment with Switches: Since the keyboard is hot-swappable, consider trying different switch types to find the feel that best suits your typing or gaming style.
- Customize Lighting: Explore the various lighting modes and brightness levels using the multifunctional knob to personalize your setup.
- Ergonomics: Utilize the adjustable feet to find a comfortable typing angle that reduces wrist strain during long sessions.
9. Warranty and Support
For detailed warranty information and customer support, please refer to the instruction manual included in your product package. You may also find additional resources and contact information on the official Ajazz website.
A digital version of the user manual (PDF) can be accessed here.





