Introduction
Thank you for choosing the ONIKUMA B100 2.4GHz Wireless Gaming Headset. This headset is designed to provide a superior audio experience for gaming and multimedia, featuring multiple connection modes (2.4GHz wireless, Bluetooth 5.3, and wired) for extensive compatibility across various platforms. Please read this manual carefully to ensure proper use and optimal performance of your headset.
Package Contents
Ensure all items are present in the package:
- ONIKUMA B100 Gaming Headset
- 2.4GHz Wireless Receiver (USB Dongle)
- USB Type-C Charging Cable
- 3.5mm Audio Cable
- User Manual (this document)

Product Overview
The ONIKUMA B100 headset features an ergonomic design for comfort during extended use, including soft head cushions, protein soft leather earcups, and an adjustable headband. It also incorporates breathable foam to prevent stuffiness.


Controls and Ports

- Power Button: For power on/off, call management, and voice assistant.
- Volume + / Volume - Buttons: For adjusting volume and track control.
- Type-C / Line In Charging Port: For charging and wired audio connection.
- Light Key: For controlling RGB lighting and microphone mute.
Setup & Connection
The ONIKUMA B100 supports three connection modes: Wired, 2.4GHz Wireless, and Bluetooth 5.3. Choose the mode that best suits your device.

1. Wired Mode
Connect the headset directly to your device using the provided 3.5mm audio cable. This mode is compatible with PS4, PS5, and PC. No battery is required for wired audio playback, but the headset must be powered on for microphone functionality and RGB lighting.
2. 2.4GHz Wireless Mode
This mode offers low latency and stable connection, ideal for gaming.
- Insert the 2.4GHz USB wireless receiver into an available USB port on your device (PC/Mac, PS4/PS5).
- Power on the headset by long pressing the Power button for 3 seconds.
- The headset should automatically connect to the receiver. The RGB lights will indicate connection status.
- On your device, ensure the ONIKUMA B100 is selected as the audio input and output device.
Note: When using 2.4GHz wireless mode with Nintendo Switch, the microphone functionality may be invalid.
3. Bluetooth 5.3 Mode
Connect wirelessly to a wider range of devices, including PC/Mac, Switch, Mobile phones, and Tablets.
- Ensure the headset is powered on.
- Activate Bluetooth pairing mode on the headset (refer to Operating Instructions for specific steps, usually a long press on the power button or a dedicated Bluetooth button if available, though not explicitly shown in diagrams).
- On your device, go to Bluetooth settings and search for "ONIKUMA B100".
- Select the headset to pair.
Note: The headset does not support all Xbox Series consoles in any mode.
Operating Instructions
Familiarize yourself with the headset's controls for optimal use.

Power On/Off
- Power On: Long press the Power button for approximately 3 seconds.
- Power Off: Long press the Power button for approximately 3 seconds.
Volume Control
- Volume Up: Short press the Volume + button.
- Volume Down: Short press the Volume - button.
Call Management
- Answer/Hang Up Call: Short press the Power button.
- Reject Call: Double click the Power button.
- Activate Voice Assistant: Long press the Power button for approximately 1.5 seconds.
Music Playback
- Next Track: Long press the Volume + button.
- Previous Track: Long press the Volume - button.
Microphone Control
- Microphone On/Off: Click the Light Key.
RGB Lighting Control
- Turn Lights On/Off: Long press the Light Key for approximately 2 seconds.
Charging
The headset is equipped with a 1000mAh lithium battery. Use the provided USB Type-C charging cable to charge the headset.
- Connect the Type-C end of the charging cable to the headset's charging port.
- Connect the USB-A end to a power source (e.g., computer USB port, USB wall adapter).
- A full charge takes approximately 2 hours.
- Battery life is approximately 60 hours with RGB lights off, and approximately 20 hours with RGB lights on.

Specifications
| Feature | Specification |
|---|---|
| Product Name | ONIKUMA Three-Mode Gaming Headset |
| Model | B100 |
| Color Options | Black, White |
| Material | ABS |
| Connection Methods | 2.4GHz Wireless, Bluetooth 5.3, Wired (3.5mm) |
| Bluetooth Version | 5.3 |
| Communication Distance | Approx. 15m (Wireless) |
| Battery Capacity | 1000mAh |
| Driver Diameter | 50mm |
| Frequency Response | 20Hz-20KHz |
| Charging Time | Approx. 2 hours |
| Battery Life (Lights Off) | Approx. 60 hours |
| Battery Life (Lights On) | Approx. 20 hours |
| Charging Interface | USB Type-C |
| Product Dimensions | 192 x 97 x 200mm |
| Microphone | Yes, 360° rotatable |
| Active Noise-Cancellation | Yes |
| Certification | CE |

Troubleshooting
- No Sound:
- Ensure the headset is powered on and charged.
- Check volume levels on both the headset and your device.
- Verify the correct audio output device is selected in your device's sound settings.
- If using 2.4GHz wireless, ensure the USB receiver is properly inserted and recognized.
- If using Bluetooth, ensure the headset is paired and connected.
- If using wired mode, ensure the 3.5mm cable is fully inserted into both the headset and the device.
- Microphone Not Working:
- Ensure the microphone is not muted (click the Light Key).
- Verify the correct audio input device is selected in your device's sound settings.
- Note that the microphone may be invalid when using 2.4GHz wireless mode with Nintendo Switch.
- Connection Issues:
- For 2.4GHz wireless, try re-inserting the USB receiver or restarting the headset.
- For Bluetooth, try unpairing and re-pairing the headset with your device.
- Ensure the headset is within the communication distance (approx. 15m).
- Avoid strong electromagnetic interference.
- RGB Lights Not Working:
- Long press the Light Key for 2 seconds to toggle the lights.
- Ensure the headset has sufficient battery charge.
User Tips
- For the best gaming experience, especially on PC and PlayStation, utilize the 2.4GHz wireless connection for its low latency.
- When battery life is critical, turn off the RGB lighting to extend usage time from 20 hours to up to 60 hours.
- Regularly clean the earcups with a soft, dry cloth to maintain hygiene and comfort.
- If experiencing audio distortion, try reducing the volume on both the headset and the connected device.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the headset. Do not use harsh chemicals or abrasive materials.
- Storage: Store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the headset frequently. Charge it regularly, even if not in use for extended periods.
- Avoid Water: This headset is not waterproof. Avoid exposure to water or excessive moisture.
Warranty & Support
For warranty information or technical support, please refer to the seller's policy or contact the point of purchase. Keep your proof of purchase for any warranty claims.