truefree F2 Open Ear Air Conduction Wireless Headphones User Manual

1. Introduction

This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your truefree F2 Open Ear Air Conduction Wireless Headphones. Please read this manual thoroughly before using the product to ensure proper function and longevity.

Image: The truefree F2 Open Ear Air Conduction Wireless Headphones, showcasing their ergonomic design and black and orange color scheme.

2. Package Contents

Verify that all items are present in your product package:

• truefree F2 Open Ear Air Conduction Wireless Headphones
• USB Charging Cable
• User Manual (this document)

Image: The truefree F2 headphones, charging cable, and user manual displayed alongside the product packaging.

3. Setup

3.1 Charging the Headphones

Before first use, fully charge your truefree F2 headphones.

1. Connect the provided USB charging cable to the charging port on the headphones.
2. Connect the other end of the USB cable to a compatible USB power source (e.g., computer USB port, wall adapter).
3. The indicator light will show charging status. Once fully charged, the light will change (refer to LED indicator section for details).

A full charge provides approximately 15 hours of continuous listening time.

Image: An illustration showing the truefree F2 headphones with a 15-hour battery life indicator and a charging icon, suggesting long endurance.

3.2 Powering 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

The truefree F2 headphones utilize Bluetooth 5.3 for a stable wireless connection.

1. Ensure the headphones are powered off.
2. Press and hold the Power button for 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
3. On your device (smartphone, tablet, etc.), enable Bluetooth and search for new devices.
4. Select "truefree F2" from the list of available devices.
5. Once connected, the LED indicator will flash blue slowly.

Image: A close-up diagram of a Bluetooth 5.3 chip, highlighting the advanced connectivity technology used in the truefree F2 headphones.

3.4 Truefree App Control

Enhance your experience by downloading the official Truefree App. The app allows for customized settings, including:

• Activating/deactivating multipoint connection
• Preset EQ adjustments
• Music and call control customization
• Firmware updates
• Battery level indicator

Image: A visual representation of the Truefree App interface on a smartphone, showing various customization options like EQ settings, battery indicator, and mode switches.

4. Operating Instructions

4.1 Wearing the Headphones

The truefree F2 headphones feature an open-ear design with an over-ear hook and neckband for a secure and comfortable fit. Position the speakers just outside your ear canals. This design allows you to remain aware of your surroundings while listening to audio.

Image: A person wearing the truefree F2 headphones, demonstrating the open-ear comfort and secure fit during use.

4.2 Button Controls

The headphones are equipped with intuitive button controls for various functions.

Image: A detailed diagram illustrating the location and functions of the control buttons on the truefree F2 headphones for music, calls, voice assistant, and game mode.

4.3 Multipoint Connection

The truefree F2 supports dual connection, allowing you to connect to two devices simultaneously. This enables seamless switching between audio sources without re-pairing.

1. Ensure the headphones are paired with the first device.
2. Disconnect Bluetooth on the first device. The headphones will re-enter pairing mode.
3. Pair the headphones with the second device.
4. Reconnect Bluetooth on the first device. The headphones should now be connected to both devices.
5. Manage multipoint connection settings via the Truefree App.

Image: The truefree F2 headphones positioned between a smartphone and a tablet, illustrating the multipoint connection feature for simultaneous device pairing.

4.4 Game Mode

Activate Game Mode for a low-latency audio experience (43ms), ideal for gaming or video playback to ensure audio-visual synchronization.

• Activate: Triple-press the Power button.
• Deactivate: Triple-press the Power button again.

Image: A smartphone displaying a game with the truefree F2 headphones, highlighting the 43ms low latency feature for an uninterrupted gaming experience.

4.5 Audio Features

• 16.2mm Bio-Compound Diaphragm Drivers: Deliver rich sound details and an open soundstage.
• Directional Sound Transmission: Minimizes sound leakage, providing a focused audio experience while maintaining environmental awareness.
• Dual Microphones: Enhance call clarity by accurately capturing your voice and reducing ambient noise.

Image: A cutaway diagram of the truefree F2 headphone speaker, emphasizing the 16.2mm bio-compound diaphragm drivers responsible for immersive sound.

Image: An internal view of the truefree F2 headphones highlighting the placement of the dual microphones for clear call quality.

5. Maintenance

5.1 Cleaning

Regular cleaning helps maintain the performance and appearance of your headphones.

• Wipe the headphones with a soft, dry, lint-free cloth.
• For stubborn dirt, slightly dampen the cloth with water. Avoid excessive moisture.
• Do not use abrasive cleaners, solvents, or strong chemicals.

5.2 Water Resistance

The truefree F2 headphones are rated IPX4 water resistant, meaning they are resistant to water splashes from any direction. They are suitable for workouts and light rain exposure.

• Do not submerge the headphones in water.
• Avoid exposing them to pressurized water or high-velocity water, such as showering or swimming.
• Ensure the charging port cover is securely closed to prevent water ingress.

5.3 Storage

Store your headphones in a cool, dry place away from direct sunlight and extreme temperatures.

6. Troubleshooting

If you encounter issues with your truefree F2 headphones, refer to the following common solutions:

• No Power: Ensure the headphones are fully charged.
• Cannot Pair:
  • Ensure Bluetooth is enabled on your device.
  • Ensure the headphones are in pairing mode (LED flashing red and blue).
  • Move the headphones closer to your device.
  • Try restarting both the headphones and your device.
• No Sound / Low Volume:
  • Check the volume levels on both the headphones and your connected device.
  • Ensure the headphones are properly connected to your device.
  • If using the Truefree App, check EQ settings.
• Intermittent Connection:
  • Ensure there are no obstructions between the headphones and your device.
  • Avoid strong electromagnetic interference.
  • Update firmware via the Truefree App if available.
• Call Quality Issues:
  • Ensure microphones are not obstructed.
  • Move to a quieter environment if possible.

For further assistance, please contact truefree customer support.

7. Specifications

8. Warranty and Support

truefree is committed to providing excellent customer experience. Your truefree F2 headphones come with a warranty. For specific warranty terms and conditions, please refer to the warranty card included in your package or visit the official truefree website.

If you have any problems or suggestions regarding the product, please do not hesitate to contact truefree customer support. They are ready to offer a satisfactory solution.

• Customer Support: Refer to the contact information provided on the truefree website or your product packaging.
• Online Resources: Visit the official truefree website for FAQs, updated manuals, and support articles.