Thunelec J90 Pro Wireless Earbuds User Manual

1. Introduction

This manual provides detailed instructions for the safe and effective use of your Thunelec J90 Pro Wireless Earbuds. Please read this manual thoroughly before using the product and retain it for future reference.

2. Product Overview

The Thunelec J90 Pro Wireless Earbuds are designed for high-fidelity audio and clear communication, featuring Bluetooth 5.3 connectivity and an extended battery life. The charging case includes an LED display for battery status.

Image: Thunelec J90 Pro Wireless Earbuds shown inside their charging case, which features a digital LED battery display. The earbuds are green and white, indicating their ready-to-use state.

Key Features:

• Bluetooth 5.3 for stable and efficient wireless connection.
• Up to 48 hours of total playtime with the charging case.
• HiFi stereo sound with bio-carbon fiber composite diaphragm and 13mm dynamic coil.
• Clear call quality.
• Lightweight and in-ear design for comfortable fit.

3. Package Contents

Please check the box for the following items:

• Thunelec J90 Pro Wireless Earbuds (Left and Right)
• Charging Case
• User Manual
• Charging Cable (not explicitly listed but standard for such devices)

4. Setup

4.1 Charging the Earbuds and Case

1. Place the earbuds into the charging case. Ensure they are correctly seated in their respective slots (L for left, R for right).
2. Connect the charging case to a USB power source using the provided charging cable.
3. The LED display on the charging case will show the battery level during charging. A full charge is indicated when the display shows 100.
4. Allow approximately 1-2 hours for a full charge of both the earbuds and the case.

4.2 Bluetooth Pairing

1. Ensure the earbuds are charged.
2. Open the charging case. The earbuds will automatically enter pairing mode, indicated by a flashing light on the earbuds.
3. On your device (smartphone, tablet, etc.), enable Bluetooth.
4. Search for available Bluetooth devices and select "Thunelec J90 Pro" from the list.
5. Once connected, the earbuds will indicate successful pairing (e.g., a voice prompt or solid light).
6. The earbuds will automatically reconnect to the last paired device when taken out of the case, if Bluetooth is enabled on the device.

4.3 Wearing the Earbuds

1. Identify the left (L) and right (R) earbuds.
2. Gently insert each earbud into the corresponding ear canal.
3. Rotate the earbud slightly to find a comfortable and secure fit. A proper fit ensures optimal sound quality and bass response.

5. Operating Instructions

The Thunelec J90 Pro earbuds feature touch controls for various functions. The specific touch gestures may vary slightly, but common functions include:

• Play/Pause: Single tap on either earbud.
• Next Track: Double tap on the right earbud.
• Previous Track: Double tap on the left earbud.
• Answer/End Call: Single tap on either earbud during an incoming call.
• Reject Call: Press and hold either earbud for 2 seconds during an incoming call.
• Activate Voice Assistant: Triple tap on either earbud (e.g., Siri, Google Assistant).
• Volume Control: Specific gestures for volume up/down are not detailed in the product information. Typically, this might involve a long press or multiple taps on specific earbuds. Refer to your device's Bluetooth settings or the Thunelec website for advanced control customization if available.

5.1 Power On/Off

• Power On: The earbuds automatically power on when removed from the charging case.
• Power Off: The earbuds automatically power off when placed back into the charging case and the lid is closed. You can also manually power them off by disconnecting Bluetooth from your device and holding the touch area for approximately 5 seconds until an indicator light or voice prompt confirms power off.

6. Maintenance

6.1 Cleaning

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

6.2 Storage

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

7. Troubleshooting

If you encounter issues with your Thunelec J90 Pro Wireless Earbuds, please refer to the following common solutions:

• Earbuds not pairing:
  • Ensure both earbuds are charged.
  • Turn off and on your device's Bluetooth.
  • Forget/delete "Thunelec J90 Pro" from your device's Bluetooth list and attempt to pair again.
  • Place earbuds back in the case, close the lid, wait a few seconds, then open to re-enter pairing mode.
• No sound from one earbud:
  • Check if both earbuds are charged.
  • Try resetting the earbuds (refer to manufacturer's website for specific reset instructions if needed).
  • Ensure the earbuds are clean and free of debris that might block sound.
• Charging issues:
  • Verify the charging cable is securely connected to both the case and the power source.
  • Try a different charging cable or power adapter.
  • Clean the charging contacts on the earbuds and inside the case.
• Poor sound quality:
  • Ensure the earbuds are properly seated in your ears for a good seal.
  • Move closer to your connected device to avoid interference.
  • Check your device's audio settings.

8. Specifications

9. Warranty and Support

9.1 Warranty Information

This product comes with a 30-day free warranty. Please retain your proof of purchase for warranty claims. The warranty covers manufacturing defects but does not cover damage caused by misuse, accidents, or unauthorized modifications.

9.2 Customer Support

For further assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact Thunelec customer support through the retailer where the product was purchased or visit the official Thunelec website for contact information.