LinkTech TW39

LinkTech TW39 IPX4 Certified ENC TWS Bluetooth Earphones User Manual

1. Introduction

Thank you for choosing the LinkTech TW39 IPX4 Certified ENC TWS Bluetooth Earphones. This manual provides detailed instructions on how to set up, operate, maintain, and troubleshoot your new earphones. Please read this manual carefully before use to ensure optimal performance and longevity of your device.

The TW39 earphones feature True Wireless Stereo (TWS) technology for a seamless audio experience, Environmental Noise Cancellation (ENC) for clear calls, and an IPX4 rating, making them resistant to splashes from any direction.

2. Package Contents

Please check the package contents upon unboxing. If any items are missing or damaged, please contact your retailer.

  • LinkTech TW39 TWS Earphones (Left and Right)
  • Charging Case
  • USB-C Charging Cable
  • Silicone Eartips (S, M, L sizes)
  • User Manual

3. Product Overview

3.1 Earphone Components

LinkTech TW39 Earphones

Image: The LinkTech TW39 earphones, showing their sleek design and eartips. Each earbud features a touch control area and a microphone for calls.

  • Touch Control Area: For managing music playback, calls, and voice assistant.
  • Microphone: Captures your voice for calls and voice commands.
  • Charging Contacts: Connect with the charging case to recharge the earphones.
  • Eartip: Provides a comfortable fit and helps with sound isolation.

3.2 Charging Case Components

LinkTech TW39 Charging Case with Earphones

Image: The LinkTech TW39 charging case open, with both earphones seated inside. The case features a charging indicator light on the front.

LinkTech TW39 Charging Case Closed Top View

Image: Top view of the LinkTech TW39 charging case when closed, showing the LinkTech branding and the circular indicator light.

LinkTech TW39 Charging Case Closed Side View

Image: Side view of the LinkTech TW39 charging case when closed, highlighting its compact and ergonomic shape.

  • Charging Indicator: Displays the charging status of the case and earphones.
  • USB-C Charging Port: For connecting the charging cable to recharge the case.
  • Earbud Charging Slots: Securely hold and charge the earphones.

4. Setup

4.1 Charging the Earphones and Case

For first-time use, fully charge both the earphones and the charging case.

  1. Place the earphones into the charging case, ensuring they are correctly seated in their respective slots.
  2. Connect the USB-C charging cable to the charging port on the case and the other end to a USB power adapter (not included) or a computer's USB port.
  3. The indicator light on the charging case will illuminate to show charging status. Once fully charged, the light may change color or turn off.
  4. A full charge typically takes approximately 1.5-2 hours for the earphones and 2-3 hours for the case.

4.2 Pairing with a Device

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

  1. Ensure the earphones are charged.
  2. Open the charging case. The earphones will automatically power on and enter pairing mode. The indicator lights on the earphones will flash (e.g., blue and red alternately).
  3. On your device (smartphone, tablet, computer), enable Bluetooth.
  4. Search for Bluetooth devices and select "LinkTech TW39" from the list.
  5. Once connected, the earphone indicator lights will turn off or flash slowly, and you will hear a confirmation tone.
  6. If pairing fails, place the earphones back into the case, close the lid, wait a few seconds, and then repeat the steps.

5. Operating Instructions

5.1 Touch Controls

The LinkTech TW39 earphones feature intuitive touch controls on each earbud. The functions may vary slightly depending on your device and application.

ActionFunction
Single Tap (L or R)Play/Pause Music, Answer/End Call
Double Tap (L)Previous Track
Double Tap (R)Next Track
Triple Tap (L or R)Activate Voice Assistant (Siri, Google Assistant)
Long Press (2 seconds) (L or R)Reject Incoming Call
Long Press (3 seconds) (L or R)Toggle ENC Mode (if applicable)

5.2 Wearing the Earphones

For the best audio experience and comfort, choose the correct size of eartips and ensure a proper fit.

  1. Identify the Left (L) and Right (R) earphones.
  2. Gently insert each earphone into your ear canal.
  3. Rotate the earphone slightly until it feels secure and comfortable, forming a good seal. This will optimize sound quality and bass response.

6. Maintenance

Proper maintenance will extend the lifespan of your LinkTech TW39 earphones.

  • Cleaning: Use a soft, dry, lint-free cloth to clean the earphones and charging case regularly. Do not use harsh chemicals, cleaning solvents, or strong detergents.
  • Eartips: Remove the silicone eartips and clean them with water and mild soap if necessary. Ensure they are completely dry before reattaching.
  • Charging Contacts: If charging issues occur, gently clean the charging contacts on both the earphones and the case with a dry cotton swab.
  • Storage: Always store the earphones in their charging case when not in use to protect them and keep them charged.
  • Avoid Extremes: Do not expose the earphones or case to extreme temperatures, humidity, or direct sunlight.
  • Water Resistance: While IPX4 rated, the earphones are splash-proof, not waterproof. Do not submerge them in water or expose them to heavy rain. The charging case is not water-resistant.

7. Troubleshooting

If you encounter issues with your earphones, please refer to the following common problems and solutions:

ProblemPossible Solution
Earphones not pairing with device.
  1. Ensure earphones are charged and out of the case.
  2. Turn off and on Bluetooth on your device.
  3. Forget "LinkTech TW39" from your device's Bluetooth list and re-pair.
  4. Place earphones back in case, close lid, wait 10 seconds, then try again.
Only one earphone is working.
  1. Ensure both earphones are charged.
  2. Place both earphones back into the charging case, close the lid, and then take them out again simultaneously.
  3. Try resetting the earphones (refer to manual for specific reset instructions if available, otherwise try forgetting and re-pairing).
No sound or low volume.
  1. Increase volume on both your device and the earphones.
  2. Ensure earphones are properly connected to your device.
  3. Check for debris blocking the earphone speaker mesh.
  4. Try a different audio source or application.
Earphones not charging.
  1. Ensure the charging cable is securely connected to both the case and the power source.
  2. Check if the charging contacts on the earphones and inside the case are clean and free of obstruction.
  3. Try a different USB-C cable or power adapter.
Call quality is poor.
  1. Ensure the microphone is not covered.
  2. Move closer to your connected device.
  3. Check for strong electromagnetic interference in your environment.
  4. Ensure ENC mode is active for clearer calls.

8. Specifications

FeatureDescription
BrandLinkTech
ModelTW39
ConnectivityBluetooth (Version not specified, typically 5.0 or higher)
Noise CancellationENC (Environmental Noise Cancellation) for calls
Water ResistanceIPX4 (Splash-proof)
Charging PortUSB-C
Battery Life (Earphones)Approx. 4-5 hours (varies with volume and content)
Battery Life (with Charging Case)Approx. 20-25 hours total (multiple charges from case)

9. Warranty and Support

LinkTech products are designed and manufactured to the highest quality standards. This product is covered by a limited warranty from the date of purchase. Please refer to the warranty card included in your package or contact your retailer for specific warranty terms and conditions.

For technical support, troubleshooting assistance, or any inquiries regarding your LinkTech TW39 earphones, please contact the seller or LinkTech customer service through the contact information provided with your purchase or on the official LinkTech website.

Please retain your proof of purchase for warranty claims.

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