1. Introduction
Thank you for choosing the FIFINE X3 Wireless Bluetooth Headphones. This manual provides essential information for setting up, operating, and maintaining your headphones to ensure optimal performance and longevity.
2. Package Contents
Please verify that all items listed below are included in your package:
- Wireless Noise Canceling Stereo Headphones (1 unit)
- USB-A to USB-C Cable (1 unit)
- User's Manual (1 unit)

Image: The package contents of the FIFINE X3 headphones, showing the headphones, a USB-A to USB-C charging cable, and the user manual neatly arranged.
3. Product Overview
The FIFINE X3 headphones feature active noise canceling, spatial audio, comfortable earmuffs, multi-point connectivity, and integrated controls for a versatile listening experience.

Image: A close-up view of the black FIFINE X3 Wireless Bluetooth Headphones, highlighting their over-ear design and smooth matte finish.
4. Setup and Connection
4.1 Charging the Headphones
Before first use, fully charge your headphones. A full charge provides up to 65 hours of playtime.
- Connect the USB-A end of the charging cable to a power adapter (not included) or a computer's USB port.
- Connect the USB-C end to the charging port on the headphones.
- The LED indicator will show charging status and turn off when fully charged.

Image: The FIFINE X3 headphones are shown connected to a laptop via a USB-C cable for charging, illustrating the charging process.
4.2 Power On/Off
- To power on: Press and hold the Power button for 2-3 seconds until the LED indicator lights up.
- To power off: Press and hold the Power button for 3-5 seconds until the LED indicator turns off.
4.3 Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the Power button for approximately 5 seconds until the LED indicator flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for "FIFINE X3".
- Select "FIFINE X3" from the list of available devices to connect. The LED indicator will turn solid blue once connected.

Image: The FIFINE X3 headphones are wirelessly connected to a smartphone, demonstrating the Bluetooth pairing process with a visible Bluetooth symbol.
4.4 Multi-Point Connectivity
The headphones can connect to two Bluetooth devices simultaneously, allowing seamless switching between them.
- Connect the headphones to the first device as described in "4.3 Bluetooth Pairing".
- Disable Bluetooth on the first device. The headphones will re-enter pairing mode.
- Connect the headphones to the second device.
- Re-enable Bluetooth on the first device. The headphones should automatically connect to both devices.

Image: The FIFINE X3 headphones are shown wirelessly connected to both a laptop and a smartphone, highlighting their multi-point connectivity feature.
4.5 Wired Connection
For a wired connection, use the provided 3.5mm audio cable. This is useful when battery is low or for devices without Bluetooth.
- Plug one end of the 3.5mm audio cable into the headphone's audio jack.
- Plug the other end into your audio device's 3.5mm port.
5. Operating Instructions
5.1 Controls Overview
The headphones feature integrated buttons and touch controls for easy operation.

Image: A detailed view of the right ear cup of the FIFINE X3 headphones, labeling the Touch Control Panel, ANC Button, Volume Up/Down Control, Power Button, and Type-C Port.
- Power Button: Power on/off, enter pairing mode.
- Volume Up/Down: Adjust volume. Long press for next/previous track.
- ANC Button: Toggle Active Noise Canceling, Transparency Mode, and Normal Mode.
- Touch Control Panel: Play/pause music, answer/end calls, activate voice assistant.
5.2 Active Noise Canceling (ANC)
Press the ANC button to cycle through the following modes:
- ANC On: Reduces ambient noise for immersive listening.
- Transparency Mode: Allows you to hear your surroundings while listening to audio.
- Normal Mode: ANC and Transparency modes are off.

Image: A person wearing FIFINE X3 headphones, with sound waves illustrating the active noise canceling feature effectively blocking environmental noise.
5.3 Spatial Audio and Sound Effects
Experience rich highs and detailed mids. The headphones offer various sound modes:
- Spatial Audio: Provides an immersive sound experience, making audio feel like it's coming from all around you.
- Bass Boost: Enhances low-frequency sounds for a more powerful bass.
- Game Mode: Optimizes audio for gaming, reducing latency.

Image: A magnified view of the FIFINE X3 headphone's internal speaker, emphasizing its capability to deliver rich sound effects and spatial audio.
5.4 Phone Calls
Use the integrated controls for managing phone calls:
- Answer/End Call: Tap the Touch Control Panel once.
- Reject Call: Press and hold the Touch Control Panel for 2 seconds.
6. Maintenance and Care
- Keep the headphones dry and clean. Avoid exposure to extreme temperatures.
- Clean the ear cushions and headband with a soft, damp cloth. Do not use harsh chemicals.
- Store the headphones in their case when not in use to prevent damage.
7. Troubleshooting
- Headphones not powering on: Ensure the battery is charged.
- Cannot pair via Bluetooth: Make sure the headphones are in pairing mode (flashing blue/red) and within range of your device. Try restarting both devices.
- No sound: Check volume levels on both headphones and your device. Ensure the correct audio output is selected on your device.
- Poor call quality: Ensure the microphone is not obstructed. Move to a quieter environment if possible.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | FIFINE X3 |
| Connectivity Technology | Bluetooth, Wireless |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 10 Meters |
| Noise Control | Active Noise Cancellation |
| Playtime | Up to 65 hours |
| Charging Time | Approx. 2.5 hours |
| Earpiece Shape | Over Ear |
| Control Method | Touch |
| Special Features | Adjustable Headband, Foldable, Noise Cancellation, Volume Control |
| Item Weight | 1.06 pounds |
9. Official Product Video
Watch this official product video from Fifine Design for a visual overview of the X3 Wireless Bluetooth Headphones.
Video: An official product video titled "FIFINE X3-Wireless Bluetooth 5.3 Headphones (Black)" by Fifine Design, showcasing the features and design of the headphones.
10. Warranty and Support
FIFINE products come with a standard manufacturer's warranty. For detailed warranty information, product support, or service inquiries, please refer to the official FIFINE website or contact their customer service directly. Keep your purchase receipt for warranty claims.





