Introduction
Thank you for choosing the ONIKUMA X20 Gaming Headset. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your new headset. Please read it carefully to ensure optimal performance and longevity of your device.

Setup Guide
The ONIKUMA X20 Gaming Headset is designed for wired connectivity, offering broad compatibility with various gaming platforms and devices.
Connecting Your Headset
- Identify Connectors: The headset features a 3.5mm audio jack for sound and microphone input/output, and a USB-A connector primarily for powering the RGB lighting.
- Audio Connection: Plug the 3.5mm audio jack into the corresponding audio port on your device. This port is typically marked with a headphone icon or is green.
- Microphone Connection: If your device has separate audio and microphone jacks, ensure the 3.5mm jack is connected to the combined audio/mic port or use an appropriate splitter (not included) if separate ports are required.
- RGB Lighting Power: Plug the USB-A connector into an available USB port on your device (PC, console, or USB power adapter) to activate the dynamic RGB lighting effects.
Compatibility
The ONIKUMA X20 headset is compatible with a wide range of devices:
- Gaming Consoles: PS4, PS5, PS Vita, Nintendo Switch, Nintendo New 3DS, 3DS, 3DS XL.
- Computers: PC, Laptops running Windows OS or Mac OS.
- Mobile Devices: Smart Phones and Tablets running Android OS, iOS, or WP OS.
- Xbox One: A Microsoft Adapter (not included) is required for full functionality with Xbox One consoles.

Operating Instructions
Audio Control
- Volume Control: Use the integrated volume control wheel or buttons located on the headset cable to adjust the audio output level.
- Control Button: The headset features a control button, typically used for muting the microphone or managing calls on compatible devices. Refer to your device's specific audio settings for full functionality.
Microphone Usage
The ONIKUMA X20 is equipped with an omnidirectional HD microphone designed for clear communication.
- Positioning: Adjust the microphone's flexible arm to an optimal position, typically 2-3 inches from your mouth, for best voice pickup. The microphone offers 360° omnidirectional angle adjustment.
- Noise Rejection: The microphone includes noise rejection features to minimize background noise during calls or in-game communication.

RGB Lighting
The headset features dynamic RGB lighting effects, including a Hawkeye Lighting Design and Mirage Lamp Effect RGB, which activate automatically when the USB connector is plugged into a powered USB port.

Maintenance
Proper care will extend the life of your ONIKUMA X20 Gaming Headset.
- Cleaning: Use a soft, dry cloth to wipe down the headset. For earcups, a slightly damp cloth can be used, but ensure no moisture enters the speaker grilles. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the headset in a cool, dry place away from direct sunlight and extreme temperatures. Avoid tangling the cable by coiling it loosely.
- Cable Care: Do not pull on the cable to disconnect the headset. Always grasp the plug firmly. Avoid sharp bends or kinks in the cable.
- Microphone Care: Handle the microphone arm gently. Avoid excessive force when adjusting its position.
Troubleshooting
No Sound or Low Volume
- Check Connections: Ensure the 3.5mm audio jack is fully inserted into the correct audio output port on your device.
- Volume Levels: Verify that the headset's inline volume control is turned up and that your device's master volume is not muted or set too low.
- Device Settings: Check your device's audio settings to ensure the headset is selected as the default audio output device.
- Compatibility: Confirm your device is compatible with a 3.5mm audio jack.
Microphone Not Working
- Check Connections: Ensure the 3.5mm audio jack is correctly connected to a combined audio/mic port or that a splitter is properly used if your device has separate ports.
- Microphone Mute: Check if the microphone mute function (if present on the inline control) is activated.
- Device Settings: Verify your device's sound settings to ensure the headset microphone is selected as the default input device and that its volume is not muted or too low.
- Microphone Position: Adjust the microphone arm to ensure it's positioned correctly.
RGB Lighting Not Working
- USB Connection: Ensure the USB-A connector is securely plugged into a powered USB port on your device.
- Power Source: Try plugging the USB into a different USB port or a different power source to rule out a faulty port.
Specifications
| Feature | Detail |
|---|---|
| Brand Name | ONIKUMA |
| Model | X20 |
| Style | Headphone |
| Communication | Wired |
| Connectors | 3.5 MM |
| Vocalism Principle | Dynamic |
| Control Button | Yes |
| Volume Control | Yes |
| Active Noise-Cancellation | No |
| With Microphone | Yes |
| Features | With microphone, RGB Lighting |
| Charging Method | Cable (for RGB power) |
| Waterproof | No |
| Support APP | No |
| Support Memory Card | No |
| Material | Plastic |
| Sound Isolating | No |
| High-concerned chemical | None |
| Certification | CE |
| Origin | Mainland China |
| Weight | 325g |
| Package Dimensions (L x W x H) | 24cm x 21cm x 10cm |

Warranty and Support
For warranty claims, technical support, or any product-related inquiries, please contact the seller or manufacturer directly. Keep your proof of purchase for any warranty services.
User Tips
- Wired Connection Clarity: Remember that the ONIKUMA X20 is a wired headset. For mobile use, it connects via its 3.5mm cable, not Bluetooth. This ensures a stable, low-latency audio experience ideal for gaming.
- Optimal Microphone Placement: For the clearest communication, position the omnidirectional microphone about two fingers' width from your mouth. This helps in capturing your voice while minimizing ambient noise.
- RGB Power: The vibrant RGB lighting requires the USB connector to be plugged into a powered USB port. If the lights aren't on, double-check this connection.
- Comfort for Long Sessions: The headset is designed to be lightweight (approx. 325g) for extended comfort. Take short breaks during long gaming sessions to maintain comfort and focus.
