Langsdom L5 Pro Wireless Earbuds Instruction Manual

Introduction

This manual provides detailed instructions for the Langsdom L5 Pro Wireless Earbuds. Please read this manual thoroughly before using the product to ensure proper operation and to maximize its lifespan. The L5 Pro earbuds feature Bluetooth 4.2 connectivity, stereo bass sound, and are designed for sports and active use.

Image: Langsdom L5 Pro Wireless Earbuds, showcasing the rose gold color and in-ear design with a connecting cable.

Package Contents

Verify that all items are present in the package:

• 1 x Langsdom L5 Pro In-ear Headphone
• 1 x Small Cable Clip
• 1 x Warranty Card
• 3 x Pairs of Different Size Silicone Ear Buds (Small, Medium, Large)

Image: The Langsdom L5 Pro earbuds shown alongside additional eartips and a cable clip, illustrating the accessories for a customized and secure fit.

Setup

1. Charging the Earbuds

Before initial use, fully charge the earbuds. Connect the charging cable to the charging port on the earbuds and a USB power source. A full charge typically takes approximately 1.5 hours. The earbuds provide up to 10 hours of playtime on a single charge. On iOS devices, the remaining battery power can be displayed on the phone screen.

Image: A woman engaged in physical activity while wearing the Langsdom L5 Pro earbuds, with an overlay indicating "10 hours" of music time, highlighting the extended battery life.

2. Pairing with a Bluetooth Device

1. Ensure the earbuds are powered off.
2. Press and hold the Multi-Function Button (MFB) for 3 seconds until the red and blue lights flash alternately. This indicates the earbuds are in pairing mode.
3. On your mobile device (Android or iOS), activate Bluetooth.
4. Search for available devices and select "L5 Pro" from the list.
5. Once connected, the earbuds will indicate a successful pairing, and the indicator light may change or stop flashing alternately.

Image: A visual guide demonstrating the two-step pairing process for the Langsdom L5 Pro earbuds with a smartphone, showing the button press and device selection on screen.

Operating Instructions

Power On/Off

• Power On: Press and hold the Multi-Function Button (MFB) for approximately 3 seconds until you hear a power-on prompt and the indicator light illuminates.
• Power Off: Press and hold the Multi-Function Button (MFB) for approximately 3 seconds until you hear a power-off prompt and the indicator light turns off.

Media and Call Controls

The inline remote control allows for easy management of music playback and calls:

• Play/Pause: Press the middle button (MFB) once.
• Next Track: Press and hold the '+' button.
• Previous Track: Press and hold the '-' button.
• Volume Up: Short press the '+' button.
• Volume Down: Short press the '-' button.
• Answer/End Call: Press the middle button (MFB) once.
• Reject Call: Press and hold the middle button (MFB).
• Activate Voice Assistant: (Functionality may vary by device) Double-press the middle button (MFB).

Wearing the Earbuds

The Langsdom L5 Pro earbuds are designed for a secure fit, especially during physical activity. Experiment with the included silicone ear tips to find the size that provides the best seal and comfort for your ears. The patented winged earphone tips help keep the earbuds in place. You can choose between over-ear or under-ear fit options.

Image: A woman wearing the Langsdom L5 Pro earbuds, illustrating how they stay securely in place during movement, emphasizing the "Stay In Your Ear" design.

Maintenance

• Cleaning: Regularly clean the ear tips and earbud surfaces with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
• Storage: When not in use, store the earbuds in a clean, dry place, preferably in the provided carrying case, to protect them from dust and damage.
• Charging: Use only the provided charging cable or a certified equivalent. Avoid overcharging or completely draining the battery frequently to prolong battery life.
• Water Resistance: The earbuds have an IPX4 rating, meaning they are resistant to splashing water from any direction. They are not designed for submersion in water. Avoid exposing them to heavy rain or direct water jets.

Troubleshooting

Earbuds Not Powering On

• Ensure the earbuds are fully charged. Connect them to a power source and allow them to charge for at least 30 minutes before attempting to power on again.
• Press and hold the MFB for the required duration (approximately 3 seconds) to power on.

Cannot Pair with Device

• Make sure the earbuds are in pairing mode (red and blue lights flashing alternately).
• Ensure Bluetooth is enabled on your device and it is within range (typically 10 meters or 33 feet).
• Turn off Bluetooth on your device, then turn it back on.
• If the issue persists, try restarting your mobile device.
• Clear the "L5 Pro" entry from your device's Bluetooth list and attempt to pair again.

No Sound or Low Volume

• Check the volume levels on both the earbuds and your connected device.
• Ensure the earbuds are properly connected to your device.
• Try playing different audio sources to rule out issues with the media file.
• Ensure the ear tips form a proper seal in your ear canal. Adjust or try different sized ear tips.

Intermittent Connection

• Move closer to your connected device to reduce interference.
• Avoid placing obstacles (like walls or large objects) between the earbuds and your device.
• Ensure there are no other strong wireless signals nearby that could cause interference.

Specifications

Image: A diagram highlighting key features of the Langsdom L5 Pro, including a built-in microphone, 320 hours of standby time, 1.5 hours charging time, and metal construction.

Image: A comparison chart between the Langsdom L5 and L5 Pro models, indicating that the L5 Pro offers an improved battery life of 10 hours and a lighter shell weight of 0.1 oz.

Warranty & Support

The Langsdom L5 Pro Wireless Earbuds are backed by a 1-year Limited Warranty from the date of purchase. This warranty covers manufacturing defects and workmanship under normal use. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.

For warranty claims or technical support, please refer to the contact information provided on the warranty card included in your package or visit the official Langsdom website for customer service details. Online support is available for assistance.