Introduction
Thank you for choosing the E-YOOSO Z88 60% Mechanical Gaming Keyboard. This compact 81-key keyboard features Outemu blue mechanical switches, offering a responsive and tactile typing experience. It includes customizable rainbow LED backlighting and anti-ghosting technology for optimal gaming performance. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your keyboard.
Setup
The E-YOOSO Z88 keyboard is designed for simple plug-and-play operation, requiring no additional drivers for basic functionality.
- Connect the USB Cable: Locate the detachable USB Type-C cable included in the package. Connect the Type-C end to the port on the keyboard and the standard USB-A end to an available USB port on your computer.
- System Recognition: Your operating system (Windows, Mac OS X, etc.) should automatically detect and install the necessary drivers. This process typically takes a few seconds.
- Ready for Use: Once recognized, the keyboard is ready for immediate use.

Operating Instructions
Key Functions
The E-YOOSO Z88 features an 81-key US layout with various function shortcuts accessible via the FN key.
- FN + F1-F12: Access multimedia controls and system shortcuts. These include calculator, email, web browser, volume control (up, down, mute), and media playback controls (play/pause, stop, previous/next track).
- N-Key Rollover: All 81 mechanical keys are conflict-free, ensuring that every keystroke is registered accurately, even when multiple keys are pressed simultaneously. This is particularly beneficial for fast-paced gaming.
- Windows Key Lock: For an uninterrupted gaming experience, the keyboard provides a function to lock the Windows key, preventing accidental presses that could minimize your game.
Backlight Modes
The keyboard features rainbow LED backlighting with multiple modes and adjustable settings.
- FN + PgDn: Cycle through 9 different backlight modes. Each mode offers a unique lighting effect.
- Brightness Adjustment: Adjust the intensity of the backlight to your preference.
- Breathing Effect: Activate or deactivate the breathing light effect.
- On/Off: Toggle the backlight on or off.


Maintenance
Proper maintenance ensures the longevity and optimal performance of your E-YOOSO Z88 keyboard.
- Cleaning Keycaps: Use the included keycap puller to carefully remove keycaps for thorough cleaning. This allows you to remove dust, crumbs, and debris that may accumulate beneath the keys. Clean keycaps with a soft, damp cloth and mild soap if necessary, ensuring they are completely dry before reattaching.
- Surface Cleaning: Wipe the keyboard surface with a soft, lint-free cloth. Avoid using harsh chemicals or abrasive materials.
- Spill Resistance: The keyboard features a splash-proof design. In case of accidental spills, immediately disconnect the keyboard from your computer and allow it to dry completely before reconnecting.

Troubleshooting
If you encounter issues with your E-YOOSO Z88 keyboard, refer to the following common solutions:
- Keyboard Not Responding:
- Ensure the USB cable is securely connected to both the keyboard and the computer.
- Try connecting the keyboard to a different USB port on your computer.
- Test the keyboard on another computer to determine if the issue is with the keyboard or the computer's port.
- Keys Not Registering:
- Check for any debris or obstructions under the affected keycaps. Remove keycaps using the puller and clean if necessary.
- Ensure the keyboard is not in a locked state (e.g., Windows key lock).
- Backlight Not Working or Incorrect:
- Press FN + PgDn to cycle through backlight modes or turn the backlight on.
- Adjust backlight brightness settings.
- Intermittent Connection:
- Ensure the detachable USB cable is fully inserted.
- If possible, try using a different USB Type-C cable to rule out a faulty cable.
If these steps do not resolve the issue, please refer to the Warranty and Support section for further assistance.
Specifications
| Feature | Detail |
|---|---|
| Brand | E-YOOSO (Gishine) |
| Model | Z88 |
| Key Count | 81 Keys |
| Switch Type | Outemu Blue Mechanical Switches (Hot-swappable with 3-pin switches) |
| Key Durability | Up to 50 million clicks |
| Backlight | Rainbow LED Backlight (9 modes) |
| Anti-Ghosting | Full N-Key Rollover |
| Connectivity | Wired USB (Detachable 1.8m Type-C cable) |
| Material | ABS Keycaps, Metal Base |
| Compatibility | Windows 10/8/7/XP, Windows VISTA, Mac OS X |
| Special Features | Splash-proof design, Ergonomic stepped keycaps, Windows key lock |
| Weight | 0.7 kg |
| UPC | 723509313814 |
| ASIN | B08PCVNNNH |


Warranty and Support
Your E-YOOSO Z88 Mechanical Gaming Keyboard comes with the following warranty and support:
- 30-Day Refund Policy: Enjoy a hassle-free 30-day money-back guarantee from the date of purchase.
- 12-Month Warranty: The keyboard is covered by a 12-month warranty against manufacturing defects and workmanship issues.
- Customer Support: If you encounter any quality issues or problems during use, please contact our customer support team via message. Provide your purchase details and a description of the issue for prompt assistance.