Jesebang YT18 Wireless Earbuds User Manual

1. Introduction

Thank you for choosing the Jesebang YT18 Wireless Earbuds. These over-ear sport headphones are designed to provide a stable and high-quality audio experience for various activities, including workouts and daily commutes. Featuring Bluetooth 5.4 technology, ENC noise-canceling microphones, and IP7 waterproofing, these earbuds offer clear sound, reliable connectivity, and durability.

Image 1: Jesebang YT18 Wireless Earbuds in their charging case.

2. What's in the Box

Your Jesebang YT18 package includes the following items:

• YT18 headphones (2 units)
• Portable charging box (1 unit)
• USB-C charging cable (1 unit)
• Silicone earplugs (S / M / L) * 3 pairs
• User Manual (1 unit)

3. Product Features

3.1. Fast and Stable Bluetooth 5.4 Connectivity

The YT18 earbuds utilize advanced Bluetooth 5.4 technology, ensuring a 30% increase in transmission speed and a more stable signal connection. The magnetic Hall effect technology allows for immediate connection once the earbuds are removed from the charging box after the initial pairing. The connection range extends up to 15 meters.

Image 2: Visual representation of Bluetooth 5.4 technology benefits.

3.2. Clear Calls with ENC Noise Cancelling Microphones

Equipped with 4 ENC (Environmental Noise Cancelling) microphones, these earbuds effectively filter out over 80% of external noise. This ensures your voice remains clear during calls, even in noisy environments like busy commutes or during exercise, providing a high-quality call experience.

Image 3: Illustration of the dual ENC microphone system for clear calls.

3.3. Lossless Sound Quality with 14.2mm Dynamic Drivers

The YT18 sport Bluetooth earbuds feature 14.2mm dynamic drivers, delivering impressive low-frequency depth, balanced mid-tones, and clear high-frequency sounds. This design enhances your listening experience, making music details vibrant and ensuring stable sound quality even during intense physical activities.

Image 4: Exploded view of earbud components highlighting 14.2mm dynamic drivers.

3.4. Designed for Sports with Secure Ear Hooks and IP7 Waterproofing

These running wireless earphones are equipped with flexible and soft ear hooks, ensuring a secure fit that prevents them from falling off during exercise. Each earbud weighs only 6 grams, allowing you to focus on your workout without distraction. The package includes three sizes of ear tips (S, M, L) to accommodate various ear shapes. With IP7-level advanced nano-coating technology, the earbuds are protected against sweat and rain, making them suitable for outdoor running or fitness training.

Image 5: Earbuds in use during physical activity, highlighting IP7 water resistance.

3.5. Extended 48-Hour Battery Life with Dual LED Digital Display

A single charge provides up to 8 hours of music playback. The charging case extends the total battery life to up to 48 hours, minimizing the need for frequent recharging. The dual LED digital display on the charging case clearly shows the battery levels of both the earbuds and the case, allowing you to monitor remaining power easily.

Image 6: Charging case displaying battery status for earbuds and case.

4. Setup and Pairing

4.1. Initial Pairing

1. Ensure your earbuds are charged.
2. Open the charging case and remove both earbuds. They will automatically enter pairing mode.
3. On your device (smartphone, tablet, etc.), go to Bluetooth settings.
4. Search for available devices and select "YT18" to connect.
5. Once connected, the earbuds are ready for use. Subsequent connections will be automatic upon opening the case.

Image 7: One-step auto pairing process shown with a smartphone.

5. Operating Instructions

The YT18 earbuds feature smart touch controls for easy management of audio and calls:

• Play/Pause Music: Single tap either earbud.
• Next Track: Long press the right earbud for 2 seconds.
• Previous Track: Long press the left earbud for 2 seconds.
• Answer/End Call: Single tap either earbud.
• Refuse Call: Long press either earbud for 2 seconds.
• Volume Up: Single tap the right earbud.
• Volume Down: Single tap the left earbud.
• Activate Voice Assistant (Siri, etc.): Triple tap either earbud.

Image 8: Visual guide to earbud touch controls.

6. Wearing Instructions

For optimal comfort and sound quality, follow these steps to properly wear your earbuds:

1. Select the best-fitting silicone earplugs (S, M, L) for your ears.
2. Pick up the earbud and gently insert the earplug into your ear canal.
3. Rotate the earbud so that the flexible ear hook sits securely behind your ear.
4. Adjust the earbud to a comfortable angle, ensuring a snug fit that does not cause discomfort.

Image 9: Step-by-step guide for stable earbud wearing.

7. Charging

To charge your Jesebang YT18 Wireless Earbuds and their charging case:

• Place the earbuds back into the charging case. They will automatically begin charging.
• Connect the provided USB-C charging cable to the charging port on the back of the case.
• Plug the other end of the USB-C cable into a compatible USB power source (e.g., wall adapter, computer USB port).
• The LED digital display on the case will show the charging status and battery percentage.
• A full charge for the earbuds takes approximately 1.5 hours.

Image 10: Charging the earbud case via USB-C.

8. Maintenance

To ensure the longevity and optimal performance of your earbuds:

• Regularly clean the ear tips and charging contacts with a soft, dry cloth.
• Avoid exposing the earbuds or charging case to extreme temperatures or direct sunlight for prolonged periods.
• While IP7 waterproof, avoid submerging the earbuds in water for extended durations.
• Store the earbuds in their charging case when not in use to protect them from dust and damage.

9. Troubleshooting

9.1. Earbuds not pairing:

• Ensure both earbuds are charged.
• Turn off Bluetooth on your device, then turn it back on.
• Forget/delete "YT18" from your device's Bluetooth list and try pairing again.
• Place earbuds back in the case, close the lid, wait a few seconds, then reopen and try again.

9.2. No sound or low volume:

• Check the volume levels on both your device and the earbuds.
• Ensure the earbuds are properly seated in your ears and the ear tips provide a good seal.
• Reconnect the earbuds to your device.

9.3. Charging issues:

• Ensure the charging cable is securely connected to both the case and the power source.
• Check if the charging contacts on the earbuds and inside the case are clean and free of debris.
• Try using a different USB-C cable or power adapter.

10. Specifications

11. Warranty and Support

For warranty information or technical support, please refer to the contact details provided in the included User Manual or visit the official Jesebang website. Keep your purchase receipt for warranty claims.