Yorlu Wireless Headphones U8 User Manual

Introduction

Thank you for choosing the Yorlu Wireless Headphones Model U8. These Bluetooth 5.3 headphones are designed to provide a high-quality audio experience with enhanced durability, featuring IPX7 waterproofing and up to 16 hours of playtime. This manual will guide you through the setup, operation, and maintenance of your new headphones to ensure optimal performance and longevity.

Figure 1: Yorlu Wireless Headphones Model U8. These headphones feature a black earbud design with red accents and a connecting cable.

Safety Information

• Do not expose the headphones to extreme temperatures or humidity.
• Avoid listening at high volume levels for extended periods to prevent hearing damage.
• Keep the headphones away from sharp objects and corrosive materials.
• While IPX7 waterproof, these headphones are not designed for swimming or prolonged submersion.
• Do not attempt to disassemble or modify the headphones. This will void the warranty.
• Dispose of the product responsibly according to local regulations.

Package Contents

Please check the package for the following items:

• 1 x Yorlu Wireless Headphones (Model U8)
• 1 x USB Charging Cable
• Multiple Sizes of Ear Tips (S, M, L)
• 1 x User Manual (this document)

Product Overview

Familiarize yourself with the components of your Yorlu Wireless Headphones.

Figure 2: Internal structure of the earbud, highlighting the 11mm large diaphragm speaker for powerful bass and clear audio.

• Ear Hooks: Securely fit over your ears for stability during activity.
• Multi-function Button (MFB): Power on/off, play/pause, answer/end calls.
• Volume Up/Next Track Button: Increase volume, skip to next song.
• Volume Down/Previous Track Button: Decrease volume, go to previous song.
• Charging Port: Micro USB or USB-C port for charging (specific type not provided, assuming common).
• LED Indicator: Shows power, charging, and pairing status.
• Microphone: For hands-free calls.

Setup

1. Charging Your Headphones

Before first use, fully charge your headphones. A full charge provides up to 16 hours of playtime.

1. Connect the USB 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 a red light during charging and turn blue (or off) when fully charged.

2. Bluetooth Pairing

Pair your headphones with your Bluetooth-enabled device (smartphone, tablet, computer).

1. Ensure the headphones are turned off.
2. Press and hold the Multi-function Button (MFB) for approximately 5-7 seconds until the LED indicator flashes red and blue alternately. This indicates pairing mode.
3. On your device, enable Bluetooth and search for new devices.
4. Select "Yorlu U8" (or similar name) from the list of available devices.
5. Once connected, the LED indicator will flash blue slowly or turn off, and you may hear a confirmation tone.
6. The headphones will automatically reconnect to the last paired device when turned on, if Bluetooth is enabled on the device.

Operating Instructions

Power On/Off

• Power On: Press and hold the MFB for 3 seconds until the blue LED flashes and you hear "Power On".
• Power Off: Press and hold the MFB for 3 seconds until the red LED flashes and you hear "Power Off".

Music Playback

• Play/Pause: Short press the MFB.
• Next Track: Long press the Volume Up button.
• Previous Track: Long press the Volume Down button.
• Volume Up: Short press the Volume Up button.
• Volume Down: Short press the Volume Down button.

Call Management

• Answer/End Call: Short press the MFB.
• Reject Call: Long press the MFB for 2 seconds.
• Redial Last Number: Double press the MFB.

Figure 3: The ergonomic ear hook design ensures a comfortable and stable fit, ideal for workouts and sports.

Maintenance

• Cleaning: Use a soft, dry cloth to wipe the headphones. For ear tips, remove them and clean with mild soap and water, then dry thoroughly before reattaching. Do not use harsh chemicals or abrasive cleaners.
• Storage: When not in use, store the headphones in a cool, dry place, away from direct sunlight and extreme temperatures.
• Battery Care: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not used for extended periods.

Figure 4: The IPX7 waterproof rating protects the headphones from sweat and rain, making them suitable for various weather conditions.

Troubleshooting

Specifications

Warranty and Support

Yorlu products are designed for reliability and performance. For warranty information or technical support, please refer to the warranty card included in your package or contact Yorlu customer service through the retailer where you purchased the product. Please have your model number (U8) and purchase details ready when contacting support.