LANGSDOM TS28 Wireless Bluetooth Earphones User Manual

1. Introduction

Thank you for choosing the LANGSDOM TS28 Wireless Bluetooth Earphones. These ear clip open headsets are designed for comfort and high-quality audio, featuring noise reduction for calls, long battery life, and a secure fit for various activities. This manual provides detailed instructions to help you get the most out of your new earphones.

2. Product Overview

The LANGSDOM TS28 earphones feature an innovative ear clip design for open comfort, allowing you to listen to ambient sounds while enjoying your audio. They are equipped with advanced technology for clear calls and immersive music.

3. Specifications

4. Setup

4.1 Charging the Earphones and Case

Before first use, fully charge the earphones and the charging case. Connect the charging case to a DC5V power source using a compatible charging cable. The earphones will charge automatically when placed inside the case.

• Charging Case: Approximately 1 hour for a full charge.
• Earphones: Approximately 1.5 hours for a full charge when in the case.

4.2 Bluetooth Pairing

1. Ensure the earphones are charged and placed in the charging case.
2. Open the charging case lid. The earphones will automatically enter pairing mode.
3. On your device (smartphone, tablet, etc.), enable Bluetooth.
4. Search for "LANGSDOM TS28" in the list of available Bluetooth devices.
5. Select "LANGSDOM TS28" to connect. Once connected, you will hear an audio prompt, and the earphones will be ready for use.
6. If pairing fails, place the earphones back in the case, close the lid, wait a few seconds, and repeat the steps.

4.3 Connecting to the LANGSDOM App

Enhance your experience by connecting your TS28 earphones to the official LANGSDOM app. The app allows for sound adjustments, power checks, custom touch operation definitions, and a 'Headphone Find' feature.

5. Operating Instructions

5.1 Smart Touch Controls

The LANGSDOM TS28 earphones feature intuitive touch controls on each earbud.

• Call Mode:
  • Double Touch (Left/Right Earphone): Answer/Hang up a call.
  • Long Touch for 2 Seconds (Left/Right Earphone): Reject an incoming call.
• Music Mode:
  • Double Touch (Left/Right Earphone): Play/Pause music.
  • Long Touch for 1.5 Seconds (Left Earphone): Previous song.
  • Long Touch for 1.5 Seconds (Right Earphone): Next song.
• Voice Assistant:
  • Three-Touch (Right Earphone): Wake up voice assistant.

5.2 Usage Scenarios

The TS28 earphones are designed for comfortable wear in various situations:

• Daily Travel: Enjoy music and stay aware of ambient sounds.
• Business Office: Clear calls and comfortable wear for extended periods.
• Leisure and Entertainment: Immersive audio for games and media.
• Exercise Fitness: Secure and light fit without ear pressure, adapting to various movements.

6. Maintenance

To ensure the longevity and optimal performance of your LANGSDOM TS28 earphones, follow these maintenance guidelines:

• Cleaning: Gently wipe the earphones and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals, cleaning solvents, or strong detergents.
• Storage: When not in use, store the earphones in their charging case to protect them from dust and damage. Keep them in a cool, dry place away from extreme temperatures.
• Avoid Water: While designed for sports, avoid submerging the earphones in water. If they get wet, dry them thoroughly before placing them back in the charging case or using them.
• Charging: Use only the provided charging cable or a certified equivalent. Avoid overcharging by disconnecting once fully charged.

7. Troubleshooting

If you encounter any issues with your LANGSDOM TS28 earphones, please refer to the following common solutions:

• Earphones not pairing:
  • Ensure both earphones are charged.
  • Place earphones back in the charging case, close the lid, then open it again to re-enter pairing mode.
  • Turn off and on your device's Bluetooth.
  • Forget/delete "LANGSDOM TS28" from your device's Bluetooth list and try pairing again.
• No sound from one earphone:
  • Ensure both earphones are charged.
  • Place both earphones back in the charging case, close the lid, and then take them out again. This often re-syncs them.
  • Try re-pairing the earphones with your device.
• Charging issues:
  • Check if the charging cable is securely connected to both the case and the power source.
  • Ensure the charging pins on the earphones and in the case are clean and free of debris.
  • Try using a different charging cable or power adapter.
• Poor sound quality or disconnections:
  • Ensure your device is within the 10-meter Bluetooth transmission range.
  • Avoid obstacles between your device and the earphones that might interfere with the signal.
  • Close unnecessary apps on your device that might be consuming bandwidth.
  • Ensure the earphones are clean and free from earwax buildup.
• Touch controls not responding:
  • Ensure your fingers are clean and dry when using touch controls.
  • Try restarting the earphones by placing them in the case and taking them out again.
  • If the issue persists, check the LANGSDOM app for any custom touch settings that might be interfering.

8. User Tips

Here are some tips to enhance your experience with the LANGSDOM TS28 earphones:

• App Customization: Utilize the LANGSDOM app to fine-tune sound settings (EQ), customize touch controls, and check battery levels for a personalized listening experience.
• Situational Awareness: The open ear clip design is excellent for activities where you need to be aware of your surroundings, such as running outdoors or in an office environment.
• Regular Cleaning: Periodically clean the charging contacts and earphone surfaces to prevent connectivity or charging issues.
• Firmware Updates: Check the LANGSDOM app regularly for any available firmware updates, which can improve performance and add new features.

9. Warranty and Support

For warranty information, technical support, or any product-related inquiries, please contact the seller or the official LANGSDOM customer service. Keep your purchase receipt as proof of purchase.