User Manual for truefree DS1 Open-Ear Headphones

Introduction

The truefree DS1 Open-Ear Headphones are designed to provide a comfortable and immersive audio experience while keeping you aware of your surroundings. Featuring an open-ear design, these wireless earbuds are ideal for all-day wear, sports, and daily activities. They come equipped with advanced audio technology, clear call capabilities, and long-lasting battery life.

The open-ear design allows you to stay connected to your audio while remaining aware of your environment, enhancing safety during outdoor activities.

What's in the Box

Verify that all items are present in your package:

• Truefree Earfit DS1 Wireless Earbuds (2)
• Wireless Charging Case (1)
• USB-C Charging Cable (1)
• Silicone Eartips (2 pairs)
• Anti-lost Strap (1)
• User Manual (1)

A visual representation of the Truefree DS1 package contents, ensuring all components are included.

Product Overview

Familiarize yourself with the components of your truefree DS1 headphones and charging case.

The truefree DS1 earbuds and their compact charging case, featuring an LED display for battery status.

Setup

1. Charging the Headphones and Case

Before first use, fully charge the charging case and earbuds. The case features an LED display to indicate battery levels.

• Connect the USB-C charging cable to the charging port on the case and a power source.
• The LED display on the case will show the charging progress.
• Place the earbuds into the charging case. The earbuds will begin charging automatically.
• A 10-minute quick charge provides 2 hours of playback. A full charge offers up to 10 hours of playtime per earbud, with a total of 40 hours using the charging case.

The charging case's LED display clearly indicates the power levels of both the case and individual earbuds.

2. Bluetooth Pairing

The truefree DS1 uses Bluetooth 6.0 for stable and fast connectivity.

• Open the charging case. The earbuds will automatically enter pairing mode.
• On your device (smartphone, tablet, etc.), enable Bluetooth.
• Search for "Truefree EarFit DS1" in the list of available Bluetooth devices and select it to connect.
• Once connected, you will hear an audible confirmation.

Bluetooth 6.0 ensures a stable and efficient wireless connection for your audio experience.

3. Multipoint Connection

The DS1 supports connecting to two devices simultaneously, allowing seamless switching between them.

• Pair the earbuds with your first device as described above.
• Disable Bluetooth on the first device. The earbuds will re-enter pairing mode.
• Pair the earbuds with your second device.
• Re-enable Bluetooth on the first device. The earbuds should automatically connect to both devices.
• You can now switch audio playback between the two connected devices without re-pairing.

Multipoint connection allows for effortless switching between your phone and laptop, or other paired devices.

4. How to Wear

For optimal comfort and sound, ensure the earbuds are worn correctly.

• Gently place the earbuds over your ears, ensuring the ear hook sits securely behind your ear.
• Twist the earbud slightly to follow the contour of your ear for a snug and comfortable fit.
• The flexible titanium memory wire hooks are designed to be comfortable even for glasses wearers.

Proper wearing ensures both comfort and secure placement of the earbuds during use.

Operating Instructions

1. Touch Controls

The truefree DS1 earbuds feature intuitive touch controls for managing audio and calls.

• Volume - (L): Single tap on the left earbud.
• Volume + (R): Single tap on the right earbud.
• Play/Pause (L/R): Double tap on either earbud.
• Previous Song (L): Tap and hold the left earbud for 1.5 seconds.
• Next Song (R): Tap and hold the right earbud for 1.5 seconds.
• Answer/End Call (L/R): Double tap on either earbud.
• Reject Call (L/R): Tap and hold either earbud for 1.5 seconds.
• Activate Voice Assistant (R): Triple tap on the right earbud.

A comprehensive guide to the touch controls for music playback, call management, and voice assistant activation.

2. App Control and Sound Customization

Download the Truefree App to unlock advanced features and personalize your audio experience.

• Search for "TRUEFREE" in your device's app store (Google Play Store or Apple App Store).
• Install and open the app, then connect your DS1 headphones.
• Within the app, you can:
  • Adjust EQ presets and personalize sound effects.
  • Access 9 sound modes optimized for different music genres.
  • Fine-tune audio settings to match your preferences.
  • Manage headphone functions and customize touch controls.

The Truefree App provides extensive control over your audio settings, including EQ and sound modes.

3. Call Functions

The DS1 features a 4-mic array and wind-reduction technology for clear calls.

• Each earbud includes dual microphones for enhanced voice pickup.
• Wind-reduction technology minimizes ambient noise by up to 80%, ensuring your voice is clear even in outdoor environments.
• Directional audio design further enhances call clarity.

The 4-mic array system ensures crystal-clear voice transmission during calls, even in noisy conditions.

4. Spatial Audio and Bass Enhancement

Experience immersive sound with the DS1's advanced audio features.

• Powered by oversized 12 x 17mm dual-magnet drivers and dynamic EQ tuning.
• Delivers rich bass and true 360° spatial audio for a multi-dimensional sound field.
• Interchangeable acoustic conduits reduce sound leakage by up to 98.9%, maintaining privacy and immersion.

The large dual-magnetic drivers and spatial audio technology provide powerful bass and an immersive listening experience.

5. Gaming Mode (Ultra-Low Latency)

For an optimized gaming experience, the DS1 offers ultra-low latency.

• Activate gaming mode via the Truefree App for a latency as low as 0.06 seconds.
• This minimizes audio delay, ensuring synchronized sound with on-screen action during gaming.

The ultra-low latency gaming mode provides a competitive edge by ensuring audio and visuals are perfectly synchronized.

Maintenance

1. Cleaning

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

• Use a soft, dry, lint-free cloth to wipe the earbuds and charging case.
• For stubborn dirt, slightly dampen the cloth with water. Avoid using harsh chemicals or abrasive materials.
• Ensure charging contacts on both earbuds and case are clean and dry.

2. Water Resistance (IPX5)

The truefree DS1 earbuds are IPX5-rated, offering protection against sweat and splashes.

• IPX5 rating means the earbuds can withstand a sustained, low-pressure water jet spray.
• They are suitable for workouts and light rain.
• Important: Do not submerge the earbuds in water. The charging case is not water-resistant.
• Ensure earbuds are completely dry before placing them back into the charging case to prevent damage.

The IPX5 water resistance makes the DS1 suitable for active use, protecting against sweat and splashes.

3. Storage

Store your headphones in a cool, dry place when not in use.

• Always store the earbuds in their charging case to protect them and keep them charged.
• Avoid extreme temperatures and direct sunlight.
• Utilize the included anti-lost strap for added security during sports or active use.

The anti-lost strap provides extra security, preventing accidental drops during vigorous activities.

Troubleshooting

Specifications

Warranty and Support

For warranty information and customer support, please refer to the official truefree website or contact their customer service directly. Details are typically provided in the packaging or on the manufacturer's website.

Manufacturer: truefree

ASIN: B0F52VVMYJ

Model: Truefree EarFit DS1

For further assistance, please visit the truefree Store on Amazon.