truefree F1 Open Ear Headphones User Manual

1. Introduction

Thank you for choosing the truefree F1 Open Ear Headphones. These wireless Bluetooth 5.3 air conduction headphones are designed to provide a comfortable and safe audio experience, especially during physical activities. With an open-ear design, they allow you to enjoy your audio while remaining aware of your surroundings. This manual provides detailed instructions on how to set up, operate, and maintain your truefree F1 headphones.

Image: truefree F1 headphones designed for sports, emphasizing safe and comfortable audio delivery.

2. Package Contents

Please check the package contents to ensure all items are present:

• 1* Truefree F1 Air Conduction Sports Earphones
• 1* Type-C Charging Cable
• 1* Carrying Bag
• 1* User Guide

Image: The truefree F1 headphones, a Type-C charging cable, a carrying bag, and the user guide, laid out on a dark surface.

3. Product Overview

3.1 Components

The truefree F1 headphones feature an ergonomic design for secure and comfortable wear.

Image: A front view of the truefree F1 Open Ear Headphones, showcasing their lightweight, flexible headband and ear-hook design.

3.2 Controls and Indicators

The headphones are equipped with intuitive buttons for easy control of music playback, calls, and voice assistant functions.

Image: A detailed diagram illustrating the button layout and their corresponding functions for volume, track control, power, and call management on the truefree F1 headphones.

• Power Button / Multi-function Button: Used for power on/off, play/pause, answer/end calls, reject calls, and activate voice assistant.
• Volume Up (+) Button: Increases volume, next track.
• Volume Down (-) Button: Decreases volume, previous track.
• LED Indicator: Shows power status, pairing mode, and charging status.
• Type-C Charging Port: For charging the headphones.

4. Setup

4.1 Charging the Headphones

Before first use, fully charge the headphones. The truefree F1 headphones provide up to 11 hours of playtime on a single charge.

1. Connect the Type-C charging cable to the charging port on the headphones.
2. Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
3. The LED indicator will show charging status (e.g., red while charging, blue when fully charged).
4. A full charge takes approximately 1.5 hours.

Image: A close-up view of the truefree F1 headphone's USB-C charging port with a Type-C cable being inserted, highlighting the charging capability.

4.2 Pairing with a Bluetooth Device

The truefree F1 headphones use Bluetooth 5.3 for a stable and efficient connection.

1. Ensure the headphones are powered off.
2. Press and hold the Power button for 3 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
3. On your device (smartphone, tablet, computer), enable Bluetooth.
4. Search for Bluetooth devices and select "truefree F1" from the list.
5. Once connected, the LED indicator will turn solid blue or turn off, depending on the model.
6. If pairing fails, turn off the headphones and your device's Bluetooth, then repeat the steps.

Image: An abstract diagram illustrating the advanced Bluetooth 5.3 chip within the truefree F1 headphones, emphasizing faster connection, lower power consumption, and stable signal.

5. Operating Instructions

5.1 Power On/Off

• Power On: Press and hold the Power button for 3 seconds.
• Power Off: Press and hold the Power button for 5 seconds.

5.2 Music Playback

• Play/Pause: Click the Power button once.
• Next Track: Press and hold the Volume Up (+) button for 2 seconds.
• Previous Track: Press and hold the Volume Down (-) button for 2 seconds.

5.3 Call Management

• Answer/End Call: Click the Power button once.
• Reject Call: Press and hold the Power button for 1.5 seconds.
• Activate Voice Assistant: Double-click the Power button.

5.4 Volume Control

• Increase Volume: Click the Volume Up (+) button once.
• Decrease Volume: Click the Volume Down (-) button once.

Image: A person cycling outdoors, wearing truefree F1 open-ear headphones, demonstrating their use during sports activities while maintaining environmental awareness.

6. Maintenance

Proper maintenance ensures the longevity and optimal performance of your truefree F1 headphones.

• Cleaning: Wipe the headphones with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
• Water Resistance: The headphones are water resistant (IP44 rated). Avoid submerging them in water or exposing them to heavy rain. Dry them thoroughly if they get wet.
• Storage: Store the headphones in the provided carrying bag when not in use to protect them from dust and scratches. Avoid storing in extreme temperatures.
• Charging: Charge the headphones regularly, even if not used frequently, to maintain battery health.

7. Troubleshooting

If you encounter any issues with your truefree F1 headphones, please refer to the following common problems and solutions:

If the issue persists, please contact truefree customer support for assistance.

8. Specifications

Key technical specifications for the truefree F1 Open Ear Headphones:

9. Warranty and Support

For warranty information and customer support, please refer to the official truefree website or contact their customer service directly. Keep your purchase receipt for warranty claims.

truefree Official Website: Visit the truefree Store on Amazon

Contact Support: Refer to the contact information provided in your product packaging or on the official truefree website.