1. Introduction
Thank you for choosing the TuneFlux T6 Wireless Bluetooth Over-Ear Headphones. This manual provides essential information for setting up, operating, and maintaining your headphones. Please read it thoroughly before use to ensure optimal performance and longevity of your device.

Image 1: TuneFlux T6 Wireless Bluetooth Over-Ear Headphones (Black)
2. Product Overview
Package Contents:
- TuneFlux T6 Wireless Bluetooth Over-Ear Headphones
- USB Charging Cable
- 3.5mm Audio Cable
- User Manual (this document)
Key Features:
- Audio Performance: 40mm dynamic drivers, 3 EQ sound modes (Pop, Vocal, Bass), HiFi stereo sound.
- Connectivity: Bluetooth 5.3 for stable connection, supports simultaneous connection to two devices.
- Battery Life: Up to 80 hours of playtime on a single charge, 10-minute quick charge provides 5 hours.
- Design: Foldable, adjustable headband, memory foam ear cups for comfort, lightweight.
- Microphone: Built-in microphone for clear calls and voice assistant (wireless mode only).

Image 2: The TuneFlux T6 headphones feature a foldable design for portability, an adjustable headband for a secure fit, and comfortable earcups.
3. Setup
3.1 Charging the Headphones
Before first use, fully charge the headphones. Connect the provided USB charging cable to the charging port on the headphones and the other end to a USB power source (e.g., computer, wall adapter). The LED indicator will show charging status and turn off or change color when fully charged. A full charge takes approximately 2 hours.
3.2 Power On/Off
- Power On: Press and hold the Power button for approximately 3 seconds until the LED indicator flashes.
- Power Off: Press and hold the Power button for approximately 3 seconds until the LED indicator turns off.
3.3 Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the Power button for 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, PC, etc.), enable Bluetooth and search for available devices.
- Select "TuneFlux-T6" from the list of devices.
- Once connected, the LED indicator will flash blue slowly.

Image 3: The headphones utilize advanced Bluetooth 5.3 technology for a stable connection, as shown with a device's Bluetooth pairing screen.
3.4 Connecting to Two Devices Simultaneously
The TuneFlux T6 headphones support connecting to two Bluetooth devices at the same time. After pairing with the first device, disable Bluetooth on that device. Then, pair the headphones with the second device. Once the second device is connected, re-enable Bluetooth on the first device. The headphones should automatically connect to both devices. Audio will play from the device currently active.
3.5 Wired Mode
To use the headphones in wired mode, connect the provided 3.5mm audio cable to the audio jack on the headphones and to your audio source. This mode does not require battery power and disables Bluetooth functionality. The built-in microphone is not active in wired mode.
4. Operating Instructions
4.1 Button Functions
| Button/Control | Function |
|---|---|
| Power Button | Press and hold 3s: Power On/Off Press and hold 5-7s (from off): Enter Pairing Mode Short press (during call): Answer/End Call Long press (during call): Reject Call |
| Volume Up (+) | Short press: Increase Volume Long press: Next Track |
| Volume Down (-) | Short press: Decrease Volume Long press: Previous Track |
| Multi-function Button (Play/Pause) | Short press: Play/Pause Music Short press: Activate Voice Assistant (Siri/Google Assistant) |
| EQ Button | Short press: Cycle through EQ modes (Pop, Vocal, Bass) |
4.2 EQ Sound Modes
The TuneFlux T6 headphones feature three equalizer (EQ) modes to optimize your listening experience for different audio content. Press the EQ button to cycle through the modes:
- Pop Mode: Balanced sound profile suitable for general music listening.
- Vocal Mode: Enhances vocal clarity, ideal for podcasts, audiobooks, or vocal-centric music.
- Bass Mode: Boosts low frequencies for a more pronounced bass response, suitable for genres like electronic music or hip-hop.

Image 4: The TuneFlux T6 headphones offer three distinct EQ modes: Vocal, Bass, and Balance Pop, allowing users to customize their audio experience.
4.3 Making and Receiving Calls
When connected via Bluetooth, you can use the headphones for hands-free calling:
- Answer Call: Short press the Power button.
- End Call: Short press the Power button.
- Reject Call: Long press the Power button.
Note: The microphone functions only in wireless (Bluetooth) mode.
4.4 Voice Assistant
To activate your device's voice assistant (Siri, Google Assistant, etc.), short press the Multi-function button (Play/Pause) when not on a call.
5. Maintenance
5.1 Cleaning
Wipe the headphones with a soft, dry, lint-free cloth. Do not use abrasive cleaners, alcohol, or chemical solvents. Avoid getting moisture into any openings.
5.2 Storage
When not in use, store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. The foldable design allows for compact storage.
6. Troubleshooting
| Problem | Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are charged. Connect to a power source using the USB cable. |
| Cannot pair with device. | Ensure headphones are in pairing mode (LED flashes red/blue). Disable and re-enable Bluetooth on your device. Move headphones closer to the device (within 10 meters). |
| No sound or low volume. | Check volume levels on both headphones and connected device. Ensure headphones are properly paired. If in wired mode, check cable connection. |
| Microphone not working. | Ensure headphones are connected via Bluetooth. The microphone does not function in wired mode. Check device settings to ensure TuneFlux T6 is selected as the input device. |
| Sound quality is poor. | Ensure the headphones are within Bluetooth range. Try changing the EQ mode. Check the audio source quality. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | TuneFlux-T6 |
| Bluetooth Version | 5.3 |
| Bluetooth Range | Up to 10 meters (33 feet) |
| Audio Driver Size | 40 mm |
| Frequency Range | 20 Hz - 30,000 Hz |
| Impedance | 40 Ohm |
| Battery Life | Up to 80 hours |
| Charging Time | Approximately 2 hours |
| Charging Port | USB (Type not specified, typically USB-C or Micro-USB) |
| Audio Input | Bluetooth, 3.5mm AUX |
| Noise Control | Passive Noise Cancellation |
| Weight | 0.31 Kilograms (10.9 ounces) |
| Material | Metal, Plastic, Stainless Steel |
| Water Resistance Level | Water Repellent |

Image 5: The TuneFlux T6 headphones offer an extended playtime of up to 80 hours on a single charge, with quick charging providing 5 hours of use from a 10-minute charge.

Image 6: The TuneFlux T6 headphones are equipped with 40mm large dynamic drivers, designed to produce immersive bass without compromising clarity.

Image 7: The TuneFlux T6 headphones deliver certified high-fidelity audio, ensuring lossless sound transmission and detailed audio reproduction.
8. Warranty and Support
TuneFlux products are designed for reliability and performance. For specific warranty information, please refer to the warranty card included with your purchase or visit the official TuneFlux website. If you encounter any issues or have questions not covered in this manual, please contact TuneFlux customer support through the contact information provided on the product packaging or the official website.


