Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your KOFIRE UG-09 Wireless Gaming Headset. Please read this manual thoroughly before using the product to ensure optimal performance and longevity.

Image: The KOFIRE UG-09 Wireless Gaming Headset displayed with its charging cable, detachable microphone, and USB/Type-C 2-in-1 transmitter.
Package Contents
Verify that all items are present in your package:
- 1 x KOFIRE Wireless Gaming Headset (Model: UG-09)
- 1 x USB & Type-C 2-in-1 Transmitter
- 1 x Type-C Charging Cable
- 1 x Detachable Microphone
- 1 x 3.5mm Audio Cable
- 1 x User Manual (this document)
Product Overview
Familiarize yourself with the components and controls of your headset.

Image: Front view of the KOFIRE UG-09 Wireless Gaming Headset in black and white, showing the detachable microphone and the USB/Type-C 2-in-1 transmitter.
Key Features:
- Multi-mode Connectivity: 2.4GHz Wireless, Bluetooth 5.4, and 3.5mm Wired options.
- Long Battery Life: Up to 65 hours of playtime.
- 53mm Dynamic Drivers: For immersive 3D stereo sound.
- ENC Noise-Canceling Microphone: Detachable and omnidirectional for clear communication.
- Ergonomic Design: Lightweight with rotatable ear cups, adjustable headband, and soft memory foam cushions for comfort.
Setup Instructions
1. Charging the Headset
Before first use, fully charge the headset. Connect the supplied Type-C charging cable to the headset's charging port and the other end to a USB power source (e.g., computer USB port, USB wall adapter). The LED indicator will show charging status. A full charge takes approximately 2-2.5 hours. The headset supports simultaneous charging and use.
2. Connecting via 2.4GHz Wireless (USB Dongle)
This mode offers ultra-low latency (≤20ms) for gaming on compatible devices like PC, Mac, PS4, PS5, and Nintendo Switch (audio only).
- Insert the USB & Type-C 2-in-1 transmitter into an available USB-A or USB-C port on your device.
- Power on the headset.
- Press and hold the microphone button on the headset to switch to 2.4G mode. You will hear an audio prompt "dongle mode."
- On your connected device, navigate to sound settings and select "Kofire UG-09" as the audio output/input device to complete pairing.

Image: Illustration of the 2.4GHz wireless connection, showing the USB dongle plugged into a gaming handheld device, emphasizing stable and low-latency performance.
3. Connecting via Bluetooth 5.4
Use Bluetooth for mobile devices such as phones, tablets, and Nintendo Switch (audio only).
- Power on the headset.
- Press and hold the microphone button for 3 seconds to switch to Bluetooth mode. You will hear an audio prompt "Bluetooth mode." The LED indicator will flash, indicating pairing mode.
- On your mobile device, go to Bluetooth settings and search for "Kofire UG-09." Select it to complete the pairing process.

Image: Depicts the versatility of the headset, showing one user connected via Bluetooth to a phone and another connected wirelessly to a PC, highlighting dual connectivity options.
4. Connecting via 3.5mm Wired
For universal compatibility or when the battery is depleted, use the 3.5mm audio cable.
- Connect one end of the 3.5mm audio cable to the headset's 3.5mm jack.
- Connect the other end to the 3.5mm audio port on your gaming device or console.
- The headset will automatically switch to wired mode.
Note: The microphone function is not supported on Nintendo Switch when using any wireless mode. For Xbox, only wired mode is supported.
Operating Instructions
Power On/Off
- Power On: Press and hold the Power button until the LED indicator lights up.
- Power Off: Press and hold the Power button until the LED indicator turns off.
Volume Control
- Increase Volume: Rotate the volume wheel upwards.
- Decrease Volume: Rotate the volume wheel downwards.
Microphone Usage
The headset features a detachable ENC (Environmental Noise Canceling) omnidirectional microphone.
- Attach/Detach: Insert the microphone into the dedicated port on the left earcup or remove it when not needed.
- Mute/Unmute: Press the dedicated microphone mute button for one-touch muting. The LED indicator on the microphone will show its status.

Image: Detailed view of the ENC noise reduction microphone, highlighting its internal components and detachable design for clear voice transmission.
Mode Switching
To switch between 2.4GHz wireless and Bluetooth modes, press and hold the microphone button for approximately 3 seconds until you hear the corresponding audio prompt ("dongle mode" or "Bluetooth mode").
Battery Life and Alerts
The headset provides up to 65 hours of playtime in Bluetooth mode (microphone off) and 50 hours in 2.4GHz dongle mode (microphone on). A low battery alert will notify you when recharging is needed.
Maintenance
Cleaning
- Wipe the headset with a soft, dry cloth.
- Do not use harsh chemicals, cleaning solvents, or strong detergents.
- Ensure no moisture enters the earcups or control buttons.
Storage
- Store the headset in a cool, dry place away from direct sunlight and extreme temperatures.
- When storing for extended periods, ensure the headset is partially charged (around 50%) to preserve battery health.
- The rotatable and foldable ear cups allow for compact storage.

Image: Illustrates the ergonomic design elements of the headset, including rotatable earcups, soft sponge cushioning, adjustable angle, and a retractable headband for comfortable wear and storage.
Battery Care
- Avoid fully discharging the battery frequently.
- Do not expose the battery to high temperatures.
- Use only the provided charging cable or a certified equivalent.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from headset. |
|
|
| Microphone not working. |
|
|
| Cannot connect wirelessly. |
|
|
| Headset not charging. |
|
|

Image: Illustrates the universal compatibility of the headset with a range of gaming and mobile devices, including PlayStation consoles, PC, Mac, Nintendo Switch, and smartphones.
Specifications
| Feature | Detail |
|---|---|
| Model Name | UG-09 |
| Connectivity Technology | 2.4GHz Wireless, Bluetooth 5.4, 3.5mm Wired |
| Wireless Communication Technology | 2.4GHz USB-A & Type-C 2-in-1 Dongle, Bluetooth 5.4 |
| Audio Driver Type | 53mm Dynamic Driver |
| Frequency Response | 20 KHz (Max) |
| Impedance | 32 Ohm |
| Bluetooth Range | 10 Meters |
| Audio Latency (2.4GHz) | ≤20 Milliseconds |
| Battery Life | Up to 65 hours (Bluetooth, mic off); 50 hours (2.4GHz, mic on) |
| Charging Time | 2-2.5 hours |
| Microphone | Detachable ENC Noise-Canceling Omnidirectional |
| Weight | 14.4 ounces (0.41 Kilograms) |
| Material | ABS, Faux Leather, PC, Soft Memory Sponge Cushions |
| Compatible Devices | PC, Mac, Laptop, Desktop, Phone, Pad, Tablet, PlayStation 5/4/Pro/Slim, Gaming Consoles, Switch (audio only), Xbox (wired only) |
Warranty and Support
KOFIRE is committed to providing professional service and expert support for your wireless gaming headset. If you encounter any issues or have questions regarding your product, please do not hesitate to contact us.
- Customer Service: Our team of experienced engineers and support staff are available to assist you.
- Response Time: We aim to respond to all inquiries within 0-24 hours.
- Contact Information: Please refer to the contact details provided on the product packaging or the official KOFIRE website for assistance.





