YLYHHFY Wireless Open Ear Headphones User Manual

Introduction

Thank you for choosing the YLYHHFY Wireless Open Ear Headphones. These innovative clip-on earbuds are designed for comfort, safety, and high-quality audio, allowing you to enjoy music and calls while remaining aware of your surroundings. Featuring Bluetooth 5.3, a digital display charging case, and a waterproof design, they are ideal for sports, work, and daily use.

Important Safety Information

• Do not expose the earbuds or charging case to extreme temperatures or direct sunlight.
• Avoid dropping or subjecting the device to strong impacts.
• Keep out of reach of children and pets.
• Do not attempt to disassemble or modify the product. This will void the warranty.
• Clean with a soft, dry cloth only. Avoid using harsh chemicals or abrasive materials.
• While waterproof, do not submerge the earbuds or charging case in water.
• Use only the provided charging cable or a certified equivalent.

Package Contents

Please check the package contents upon opening:

• YLYHHFY Wireless Open Ear Headphones (Left and Right Earbuds)
• Charging Case
• USB Charging Cable
• User Manual (this document)

Product Overview

The YLYHHFY Wireless Open Ear Headphones, shown here in their charging case. The case features a digital display indicating battery levels for both the case and individual earbuds.

Detail of the earbud's high elasticity material, allowing for adjustable stretching to fit various ear shapes comfortably. This design ensures a secure yet gentle fit.

The YLYHHFY Open Ear Headphones feature a unique clip-on design that rests gently on your ear, providing comfort for extended wear without blocking your ear canal. Each earbud is equipped with touch controls for easy operation, and the charging case includes a digital display to show battery status.

Setup Guide

1. Initial Charging

Before first use, fully charge the earbuds and the charging case.

1. Place both earbuds into the charging case.
2. Connect the USB charging cable to the charging port on the case and plug the other end into a USB power adapter (not included) or a computer's USB port.
3. The digital display on the charging case will show the charging progress. Ensure both earbuds and the case are fully charged before proceeding. A full charge typically takes 1-2 hours.

2. Bluetooth Pairing

The earbuds will automatically enter pairing mode when taken out of the charging case.

1. Open the charging case and remove both earbuds. They will automatically power on and attempt to pair with each other.
2. On your device (smartphone, tablet, computer), enable Bluetooth.
3. Search for Bluetooth devices. You should see "YLYHHFY Earbuds" or a similar name in the list of available devices.
4. Select the earbuds to connect. Once connected, you will hear a confirmation tone, and the earbuds' indicator lights will turn off or flash slowly.
5. If pairing fails, place the earbuds back into the case, close the lid, wait a few seconds, and then repeat the steps.

The earbuds utilize advanced Bluetooth 5.3 technology for stable and energy-efficient connections, ensuring high-speed transmission and audio fluency.

Operating Instructions

Wearing the Earbuds

The YLYHHFY earbuds are designed to clip comfortably onto your ear, allowing for open-ear listening.

1. Identify the Left (L) and Right (R) earbuds.
2. Gently clip the earbud onto your ear, ensuring the speaker part is positioned near your ear canal without entering it.
3. Adjust the angle and curvature for a secure and comfortable fit. The flexible material allows for slight adjustments.

The secure clip-on design ensures the earbuds stay in place during physical activities like running, providing stable and comfortable wear.

The open-ear design allows users to listen to audio while remaining aware of their surroundings and easily engaging in conversations.

Touch Controls

Each earbud features a touch-sensitive area for controlling various functions. The controls are mirrored on both earbuds unless specified.

The smart touch control area on the earbud allows for convenient management of music playback and calls.

Digital Display on Charging Case

The charging case features a digital LED display that shows the battery percentage of the case and individual charging status for the left (L) and right (R) earbuds.

• Case Battery Percentage: A large number in the center indicates the remaining battery life of the charging case (0-100%).
• Earbud Charging Indicators: Separate battery bars or icons for 'L' and 'R' indicate the charging status of each earbud when they are placed inside the case.

Maintenance

Cleaning

• Use a soft, dry, lint-free cloth to clean the earbuds and charging case.
• Do not use abrasive cleaners, alcohol, or chemical solvents.
• Ensure the charging contacts on both the earbuds and the case are clean and dry to ensure proper charging.

Storage

• When not in use, store the earbuds in their charging case to protect them and keep them charged.
• Store the device in a cool, dry place, away from direct sunlight and extreme temperatures.

Troubleshooting

Specifications

The Pulse DT3.0 technology provides adaptive directional sound transmission, adjusting the sound propagation angle for efficient delivery into the ear canal.

Equipped with a 14mm titanium composite film dynamic coil, these earbuds deliver panoramic 3D sound with clear, high-quality audio, strong bass, and transparent treble.

Warranty and Support

YLYHHFY products are designed for reliability and performance. For specific warranty details, please refer to the warranty card included with your purchase or contact our customer support.

Customer Support

If you encounter any issues or have questions regarding your YLYHHFY Wireless Open Ear Headphones, please do not hesitate to contact our support team. We are committed to providing excellent service.

• Email: [Please refer to product packaging or official website for contact email]
• Website: [Please refer to product packaging or official website for support website]
• Phone: [Please refer to product packaging or official website for support phone number]

When contacting support, please have your product model number (BX28 / YYK-S19) and purchase information ready.