Jesebang YT18 Bluetooth Wireless In-Ear Headphones User Manual

1. Introduction

Thank you for choosing the Jesebang YT18 Bluetooth Wireless In-Ear Headphones. This manual provides detailed instructions on how to set up, operate, and maintain your new headphones to ensure optimal performance and longevity.

Package Contents

• 1 x Instruction Manual
• 3 x Silicone Ear Plugs (S/M/L)
• 2 x YT18 Headphones (Left and Right Earbuds)
• 1 x USB-C Charging Cable
• 1 x Portable Charging Box

Image 1.1: The Jesebang YT18 headphones with their charging case, showcasing the beige color and in-ear design with ear hooks.

2. Setup and Initial Use

2.1 Charging the Headphones and Case

Before first use, fully charge the headphones and the charging case. The charging case has a 400 mAh capacity and provides approximately 40 hours of additional playtime, contributing to a total playtime of up to 48 hours with the earbuds.

1. Place the YT18 headphones into the charging case. Ensure they are correctly seated to make contact with the charging pins.
2. Connect the USB-C charging cable to the charging port on the case and the other end to a USB power source (e.g., computer, wall adapter).
3. The LED display on the charging case will indicate the charging status. A full charge is indicated when the display shows 100% for the case and the earbud indicators are full.

Image 2.1: The Jesebang YT18 headphones inside their charging case, showing the digital power display for both earbuds and the case.

2.2 Pairing with a Bluetooth Device

The YT18 headphones feature one-step auto pairing for convenience, utilizing advanced Bluetooth 5.3 technology for a stable and efficient connection.

1. Ensure Bluetooth is enabled on your device (e.g., smartphone, tablet, computer).
2. Open the charging case and remove both earbuds. They will automatically enter pairing mode.
3. On your device, go to Bluetooth settings and search for available devices.
4. Select "YT18" from the list to connect. Once connected, a voice prompt will confirm the successful pairing.
5. The headphones will automatically reconnect to the last paired device when removed from the case, if Bluetooth is active on the device.

Image 2.2: A visual representation of the Jesebang YT18 headphones connecting to a smartphone via Bluetooth settings, showing "YT18" as a discoverable device.

Image 2.3: An illustration highlighting the benefits of Bluetooth 5.3 technology, including improved transmission distance, stable signal, and reduced power consumption for the YT18 headphones.

3. Operating Instructions

3.1 Touch Controls

The YT18 headphones feature intuitive touch controls on each earbud for managing audio and calls.

3.2 Sound Quality and Noise Cancellation

The YT18 headphones are engineered with 14.2mm bi-directional dynamic speakers to deliver powerful, deep bass and crystal-clear treble, providing a balanced audio experience. They feature dual microphones and cVc noise cancellation technology, which reduces background noise by up to 98% for clear calls and immersive listening.

Image 3.1: An exploded view diagram illustrating the internal components of the Jesebang YT18 earbud, highlighting the dynamic unit, Graphene drivers, and composite diaphragms for superior sound quality.

Image 3.2: A detailed view of the Jesebang YT18 earbud, pointing out the locations of the feedforward and feedback ENC microphones for effective noise cancellation.

4. Maintenance and Care

4.1 Cleaning

• Regularly clean the earbuds, especially the ear tips and charging contacts, with a soft, dry, lint-free cloth.
• Do not use abrasive cleaners, alcohol, or chemical solvents.
• Ensure no moisture enters the charging port or speaker grilles.

4.2 Water and Sweat Resistance

The YT18 headphones are rated IPX7 waterproof, making them resistant to splashes and sweat. This makes them suitable for workouts and outdoor activities. However, they are not designed for swimming or submersion in water.

• Do not intentionally submerge the headphones in water.
• After exposure to sweat or water, wipe the headphones dry before placing them back in the charging case to prevent damage to the charging contacts.

Image 4.1: Two individuals engaged in exercise, demonstrating the Jesebang YT18 headphones' waterproof and sweat-resistant capabilities during physical activity.

4.3 Storage

Store the headphones in their charging case when not in use to protect them from dust, damage, and to keep them charged.

5. Troubleshooting

If you encounter issues with your Jesebang YT18 headphones, refer to the following common solutions:

5.1 Pairing Issues

• Headphones not appearing in Bluetooth list: Ensure the headphones are fully charged and removed from the case. Turn off and on your device's Bluetooth.
• Cannot connect: Forget "YT18" from your device's Bluetooth settings and try pairing again from scratch. Ensure no other devices are connected to the headphones.

5.2 No Sound or Low Volume

• No sound: Check if the headphones are properly connected to your device. Ensure the volume on both the headphones and your device is turned up.
• Sound only from one earbud: Place both earbuds back into the charging case, close the lid, wait a few seconds, then take them out again. This often re-syncs them.

5.3 Charging Issues

• Headphones not charging: Ensure the charging contacts on both the earbuds and inside the case are clean and free of debris. Try a different USB-C cable or power adapter.
• Charging case not charging: Verify the USB-C cable and power source are working.

6. Specifications

Detailed technical specifications for the Jesebang YT18 Bluetooth Wireless In-Ear Headphones:

7. Warranty and Support

Jesebang products are manufactured with high quality standards. While specific warranty details are not provided in this manual, please retain your proof of purchase for any warranty claims.

For technical support, troubleshooting assistance, or inquiries regarding your Jesebang YT18 headphones, please contact the retailer or the manufacturer's customer service channel where you purchased the product.

For more information, you may visit the official Jesebang website or contact their support team directly.