1. Introduction
The Attack Shark X85 is a high-performance 75% ANSI layout mechanical keyboard designed for both work and gaming. It features tri-mode connectivity, a gasket-mount design with 5-layer sound dampening, hot-swappable switches, customizable RGB backlighting, and a durable CNC aluminum alloy knob. This manual provides detailed instructions for setting up, operating, and maintaining your X85 keyboard.


2. Package Contents
Please check the box for the following items:
- Attack Shark X85 Keyboard (x1)
- 2-in-1 Key Puller (x1)
- USB-C Cable (x1)
- User Manual (x1)
3. Setup and Connectivity
The X85 keyboard offers three connection modes: 2.4GHz Wireless, Bluetooth 5.0, and USB-C Wired.
3.1 Connection Modes


- 2.4GHz Wireless:
- Locate the 2.4G receiver (USB dongle) in the keyboard's storage slot or packaging.
- Plug the 2.4G receiver into an available USB port on your computer.
- Slide the switch on the side of the keyboard to the '2.4G' position. The keyboard should connect automatically.
- Bluetooth 5.0:
- Slide the switch on the side of the keyboard to the 'BT' position.
- On your device (PC, Mac, Smartphone, Tablet), enable Bluetooth and search for new devices.
- Select 'Attack Shark X85' from the list of available devices to pair.
- The keyboard supports up to three Bluetooth devices. Switch between them using FN+Q (BT1), FN+W (BT2), and FN+E (BT3).
- USB-C Wired:
- Connect one end of the provided USB-C cable to the keyboard's USB-C port.
- Connect the other end to an available USB port on your computer.
- The keyboard will automatically switch to wired mode and begin charging.
3.2 Operating System Switch
The X85 keyboard supports both Windows and Mac operating systems. Use the 'Win/Mac' toggle key located on the side of the keyboard to switch between modes for optimal compatibility.
3.3 Charging
The keyboard is equipped with a 5000mAh Li-battery. Connect the USB-C cable to charge the keyboard. The battery indicator will show charging status.
4. Operating Instructions
4.1 CNC Knob Functionality

- Press the Knob: Toggles between different RGB lighting modes.
- Rotate the Knob: Adjusts the system volume (rotate left for decrease, right for increase).
- Press and Hold (3 seconds): Switches between gaming and office modes, which may affect certain key functions or lighting profiles.
4.2 RGB Backlighting
The X85 features 1.6M RGB backlighting with over 20 light effects. The south-facing RGB design ensures optimal illumination.

- FN + Del: Cycles through different RGB colors.
- FN + \|: Cycles through various RGB light effects.
- Keyboard Driver Software: For advanced customization of lighting brightness, speed, direction, and color palette, please download and install the official keyboard driver software from the Attack Shark website.
4.3 N-Key Rollover (NKRO)
The X85 supports Full N-Key Rollover, meaning all keys are registered simultaneously regardless of how many are pressed. This prevents ghosting and ensures every keystroke is accurately detected, which is crucial for fast typing and gaming.
5. Maintenance
5.1 General Cleaning
- Regularly clean your keyboard with a soft, dry cloth.
- For dust and debris between keycaps, use compressed air.
- Avoid using harsh chemicals or abrasive materials, as they may damage the keycaps or finish.
5.2 Keycap and Switch Maintenance
The X85 features hot-swappable switches and PBT keycaps, allowing for easy customization and maintenance.

- Removing Keycaps: Use the provided keycap puller to gently remove keycaps. Pull straight up to avoid damaging the switch stem.
- Removing Switches: Use the switch puller to carefully remove switches. Ensure the switch is fully disengaged from the PCB before pulling. The X85 supports 3-pin switches.
- Replacing Keycaps/Switches: Align the keycap/switch with the stem/socket and press down firmly until it clicks into place. Ensure the switch pins are straight before inserting to prevent bending.
6. Troubleshooting
6.1 Connectivity Issues
- 2.4GHz Wireless: Ensure the USB dongle is securely plugged in and the keyboard switch is set to '2.4G'. Try a different USB port.
- Bluetooth: Ensure Bluetooth is enabled on your device and the keyboard switch is set to 'BT'. Forget the device in your Bluetooth settings and re-pair. Make sure the keyboard is charged.
- Wired: Check if the USB-C cable is properly connected to both the keyboard and the computer. Try a different USB-C cable or port.
6.2 Backlight Not Working or Customizing
- Ensure the keyboard is powered on and charged.
- Use the FN + Del and FN + \| combinations to cycle through effects and colors.
- If using the driver software, ensure it is installed correctly and the keyboard is connected.
6.3 Keys Not Responding
- If individual keys are not responding, gently remove the keycap and then the switch using the provided tools. Re-insert the switch firmly, ensuring the pins are aligned.
- If multiple keys are not responding, try resetting the keyboard (refer to the driver software or manufacturer's website for specific reset instructions if available).
7. Specifications
| Feature | Specification |
|---|---|
| Layout | 75% ANSI (82 keys + 1 knob) |
| Connectivity | 2.4G Wireless, Bluetooth 5.0, USB-C Wired |
| Hot Swappable | Yes, supports 3-pin switches |
| Backlight | 1.6M RGB |
| Switch Type | Linear White Jade Switch (pre-lubed) |
| Mounting Type | Upgraded Gasket |
| Sound Absorbing Layers | 5 Layers (PORON Sandwich Cotton, IXPE Switch Pad, PET Sound Absorbing Foam, PORON Sponge Case Foam, Upgraded Silicone Base Pad) |
| PCB Design | Single Key Slotted PCB |
| Battery Capacity | 5000mAh Li-battery |
| Keycap Material | PBT Keycaps in OEM Profile (Side-Printed) |
| Compatibility | PC, Mac, Smartphone, Tablet |
| Dimensions | 35.5 x 18.5 x 5 cm |
| Weight | 0.9 kg |
| Interface Type | USB |
| Language | English |

8. User Tips
- Battery Life: The 5000mAh battery provides extended usage. For optimal wireless performance, ensure the keyboard is fully charged before long sessions. Battery life will vary depending on RGB brightness and usage patterns.
- Keycap Language: The keycaps are printed with English characters.
9. Warranty and Support
For any product inquiries, technical support, or warranty claims, please contact the seller directly. The product is eligible for free returns within 90 days of purchase, subject to the seller's return policy.





