1. Introduction
This manual provides comprehensive instructions for the Akko PC98B Plus Air mechanical keyboard. Designed for versatility and performance, this keyboard features multi-mode connectivity, vibrant RGB lighting, and hot-swappable switches, making it suitable for various computing environments and user preferences.
The Akko PC98B Plus Air supports three connection modes: wired USB-C, 2.4GHz wireless, and Bluetooth, offering seamless switching between devices. Its durable PBT double-shot keycaps ensure longevity and a premium typing experience, while the Akko CS Air switches provide a consistent and responsive feel.

Image: The Akko PC98B Plus Air mechanical keyboard, showcasing its compact layout and full key set.
2. Safety Information
To ensure safe operation and prevent damage to your keyboard, please observe the following precautions:
- Do not expose the keyboard to liquids, moisture, or extreme temperatures.
- Avoid dropping or subjecting the keyboard to strong impacts.
- Do not attempt to disassemble or modify the keyboard. Unauthorized modifications may void your warranty and pose safety risks.
- Keep the keyboard away from strong magnetic fields.
- Use only the provided or recommended charging cables and accessories.
3. Package Contents
Please check the package for the following items:
- Akko PC98B Plus Air Mechanical Keyboard
- USB-C to USB-A Cable
- 2.4GHz Wireless Dongle
- Keycap Puller
- Switch Puller
- User Manual (this document)
4. Setup
The Akko PC98B Plus Air keyboard offers multiple connectivity options to suit your needs.

Image: Diagram illustrating the 2.4GHz, Bluetooth, and USB Type-C connectivity options of the Akko PC98B Plus Air keyboard.
4.1. Connecting the Keyboard
4.1.1. Wired Connection
- Locate the USB-C port on the keyboard (usually on the top edge).
- Connect the provided USB-C cable to the keyboard.
- Connect the USB-A end of the cable to an available USB port on your computer.
- The keyboard will be automatically recognized and ready for use.
4.1.2. Bluetooth Connection
- Ensure the keyboard is powered on and in Bluetooth mode (check the switch on the back/side of the keyboard, if present, or refer to keyboard shortcuts for mode switching).
- On your computer or device, enable Bluetooth and search for new devices.
- The keyboard should appear as "Akko PC98B Plus Air" or similar. Select it to pair.
- If prompted, enter the pairing code displayed on your screen.
4.1.3. 2.4GHz Wireless Connection
- Locate the 2.4GHz wireless dongle. It may be stored in a compartment on the keyboard.
- Plug the 2.4GHz dongle into an available USB port on your computer.
- Ensure the keyboard is powered on and switched to 2.4GHz wireless mode.
- The keyboard should automatically connect to the dongle.
5. Operating Instructions
5.1. Basic Functions
The Akko PC98B Plus Air functions as a standard QWERTY keyboard. All keys perform their labeled functions. Special function keys (F1-F12) often have secondary functions accessible via the Fn key.
- Fn + F1-F12: Multimedia controls, volume adjustment, and other system functions. Refer to the keycap legends for specific functions.
- Fn + Mode Switch Key: To cycle between wired, Bluetooth, and 2.4GHz modes.
5.2. RGB Lighting Control
The keyboard features customizable RGB backlighting. Use the following key combinations to adjust lighting effects:

Image: The Akko PC98B Plus Air keyboard displaying its vibrant RGB backlighting, highlighting the illuminated keys.
- Fn + Left Arrow: Decrease brightness.
- Fn + Right Arrow: Increase brightness.
- Fn + Up Arrow: Change lighting effect mode.
- Fn + Down Arrow: Change lighting color (for static modes).
- Specific key combinations for advanced effects may be detailed in supplementary software or on the Akko website.
5.3. Battery Management
The Akko PC98B Plus Air is equipped with a built-in rechargeable battery for wireless operation. To charge the keyboard, connect it via the USB-C cable to a powered USB port on your computer or a USB wall adapter.
- A low battery indicator (often a flashing LED) will notify you when charging is required.
- The charging indicator will typically turn solid or off once fully charged.
- For optimal battery life, avoid fully discharging the battery frequently.
6. Maintenance
6.1. Cleaning
Regular cleaning helps maintain the keyboard's appearance and functionality.
- Disconnect the keyboard from your computer before cleaning.
- Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to wipe the keycaps and chassis.
- For dust and debris between keycaps, use compressed air.
- Do not spray cleaning solutions directly onto the keyboard.
6.2. Keycap and Switch Replacement
The Akko PC98B Plus Air features PBT double-shot keycaps and 5-pin hot-swappable switches, allowing for easy customization and maintenance.

Image: Close-up of the Akko PC98B Plus Air keyboard's PBT double-shot keycaps, highlighting their durable construction and clear legends.

Image: Illustration demonstrating the hot-swappable switch feature of the Akko PC98B Plus Air keyboard, showing a switch being removed with a puller.
6.2.1. Removing Keycaps
- Use the provided keycap puller.
- Place the puller over the keycap you wish to remove, ensuring both sides clip onto the keycap.
- Gently pull straight up to detach the keycap from the switch stem.
6.2.2. Removing Switches
- First, remove the keycap from the switch.
- Use the provided switch puller. Align the prongs of the puller with the two clips on the top and bottom of the switch housing.
- Squeeze the puller to compress the clips and gently pull the switch straight up from the PCB.
6.2.3. Installing Switches
- Ensure the new switch's pins are straight. If bent, carefully straighten them with tweezers.
- Align the switch with the hot-swap socket on the PCB, ensuring the pins match the holes.
- Gently press the switch down until it clicks into place. Do not force it. If resistance is met, re-check pin alignment.
- Test the switch to ensure it functions correctly before replacing the keycap.
7. Troubleshooting
If you encounter issues with your Akko PC98B Plus Air keyboard, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Keyboard not responding (Wired) | Loose cable connection, faulty USB port, driver issue. | Ensure USB-C cable is securely connected. Try a different USB port or cable. Restart your computer. |
| Keyboard not connecting (Bluetooth/2.4GHz) | Keyboard not in correct mode, low battery, interference, pairing issue. | Check keyboard mode switch. Charge the keyboard. Re-pair the Bluetooth device or re-insert the 2.4GHz dongle. Move closer to the receiver. |
| Keys not registering or double-typing | Dust/debris under keycap, faulty switch. | Remove keycap and clean around the switch. If hot-swappable, try replacing the switch with a known good one. |
| RGB lighting not working | Lighting turned off, software conflict, hardware issue. | Ensure lighting is enabled via Fn key combinations. Check if any software is overriding lighting settings. |
| Battery not charging | Faulty cable, USB port, or battery. | Try a different USB-C cable and USB port. Ensure the power source is active. |
8. Specifications
Detailed technical specifications for the Akko PC98B Plus Air keyboard:

Image: Technical drawing of the Akko PC98B Plus Air keyboard with dimensions labeled: 382mm length, 134mm width, and 40mm height.

Image: Detailed specifications for the Akko CS Air Switch, including type (Linear), operating force (48gf ± 5gf), total travel (4.0 - 0.5mm), pre-travel (1.9 - 0.3mm), and end force (56gf ± 5gf).
| Feature | Detail |
|---|---|
| Brand | Akko |
| Model | PC98B |
| Product Dimensions | 43.48 x 22.28 x 6.48 cm |
| Item Weight | 1.68 kg |
| Material | Plastic, Polybutylene Terephthalate (PBT) |
| Connectivity Technology | USB-C (Wired), Bluetooth, 2.4GHz Wireless |
| Keyboard Description | Mechanical Gaming Keyboard |
| Special Features | RGB Backlighting, Hot-Swappable Switches (5-pin), Multi-Mode Connectivity, PBT Double-Shot Keycaps |
| Compatible Devices | Laptop, Desktop PC |
| Switch Type | Akko CS Air Switch (Linear) |
9. Compliance Information
This device complies with relevant industry standards for electronic devices. Operation is subject to the following conditions:
- This device may not cause harmful interference.
- This device must accept any interference received, including interference that may cause undesired operation.
For detailed compliance and certification information, please refer to the official Akko website or contact customer support.





