1. Introduction
Thank you for choosing the Jesebang YT18 Wireless Earbuds. These earbuds are designed to provide a stable and high-quality audio experience, especially for active lifestyles. Featuring Bluetooth 5.4 technology, an over-ear hook design, IP7 waterproofing, and intuitive touch controls, they are suitable for various activities including workouts and daily use.
2. Product Overview
Key Features
- Bluetooth 5.4 Technology: Ensures fast, stable connection with increased transmission speed and a range of up to 15 meters.
- Lossless Sound Quality: Equipped with 14.2mm dynamic drivers for deep bass, balanced mids, and clear highs.
- Designed for Sports: Flexible and soft ear hooks provide a secure fit, preventing slippage during intense activities. Each earbud weighs only 6 grams.
- Extended Battery Life: Up to 8 hours of playback on a single charge, with the charging case providing up to 48 hours of total battery life.
- IP7 Waterproof: Advanced nano-coating technology protects against sweat and rain, ideal for outdoor and fitness use.
- Smart Touch Control: Easily manage music playback, volume, calls, and voice assistants with simple taps.
- ENC Noise Cancelling Mic: Enhances call clarity by reducing environmental noise.
What's in the Box
- YT18 headphones (2)
- Portable charging box (1)
- USB-C charging cable (1)
- Silicone earplugs (S / M / L) (3 pairs)
- User Manual

Figure 2.1: Jesebang YT18 Wireless Earbuds and Charging Case.
3. Setup
3.1 Fitting the Earbuds
For optimal sound quality and comfort, select the correct size silicone earplugs (S, M, L) from the included accessories. The earbuds feature flexible ear hooks for a secure fit.
- Choose the best-fitting eartips (S, M, L) for your ears.
- Place the earbud into your ear canal.
- Adjust the ear hook to wrap securely around the back of your ear.
- Ensure the earbud is comfortably seated and forms a good seal for enhanced sound.

Figure 3.1: Proper fitting of the Jesebang YT18 Earbuds.
3.2 Initial Pairing
The earbuds utilize magnetic Hall effect technology for quick pairing.
- Remove both earbuds from the charging case. They will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), activate Bluetooth settings.
- Search for available devices and select "YT18" to connect.
- Once connected, the earbuds are ready for use. Subsequent connections will be automatic upon removal from the case.

Figure 3.2: One-step auto pairing process.
4. Operating Instructions
The Jesebang YT18 earbuds feature smart touch controls for easy management of audio and calls.
4.1 Touch Control Functions
| Action | Control | Function |
|---|---|---|
| Tap 1x (Either Earbud) | Answer/Hang Up Call | Manages incoming and active calls. |
| Tap 2x (Either Earbud) | Play/Pause Music | Controls music playback. |
| Tap 3x (Either Earbud) | Activate Voice Assistant (Siri) | Activates your device's voice assistant. |
| Long Press 2s (Left Earbud) | Previous Song | Skips to the previous track. |
| Long Press 2s (Right Earbud) | Next Song | Skips to the next track. |
| Single Tap (Left Earbud) | Volume Down | Decreases playback volume. |
| Single Tap (Right Earbud) | Volume Up | Increases playback volume. |

Figure 4.1: Overview of touch control functions.
5. Charging
The Jesebang YT18 earbuds come with a portable charging case that provides extended battery life.
5.1 Charging the Earbuds
Place the earbuds back into their charging case. They will automatically begin charging. The case features an LED display to show the charge status of each earbud.
5.2 Charging the Case
Connect the included USB-C charging cable to the charging port on the back of the case and to a compatible USB power source. The LED display on the case will show the charging progress and current battery percentage.

Figure 5.1: Charging the Jesebang YT18 case via USB-C.
5.3 Battery Life
- Earbuds: Up to 8 hours of music playback on a single charge.
- Charging Case: Provides multiple recharges for a total of up to 48 hours of battery life.
- Charging Time: Approximately 1.5 hours for a full charge.

Figure 5.2: Dual LED display on the charging case showing battery levels.
6. Maintenance
Proper maintenance ensures the longevity and performance of your earbuds.
- Cleaning: Regularly clean the earbuds and charging case with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Eartips: Remove and clean the silicone eartips periodically with mild soap and water. Ensure they are completely dry before reattaching.
- Storage: When not in use, store the earbuds in their charging case to protect them from dust and damage.
- Water Resistance: While IP7 waterproof, avoid prolonged submersion in water. Ensure the charging port is dry before charging.
7. Troubleshooting
If you encounter any issues with your Jesebang YT18 earbuds, refer to the following common solutions:
- No Sound/Connection Issues:
- Ensure earbuds are charged.
- Verify Bluetooth is enabled on your device.
- Forget "YT18" from your device's Bluetooth list and re-pair.
- Ensure earbuds are within the 15m Bluetooth range.
- Charging Problems:
- Check if the charging cable is securely connected to both the case and the power source.
- Ensure the charging contacts on the earbuds and inside the case are clean and free of debris.
- Try a different USB-C cable or power adapter.
- Uncomfortable Fit:
- Experiment with the different sizes of silicone eartips (S, M, L) to find the best fit for your ears.
- Adjust the ear hooks for a more secure and comfortable position.
- Low Volume/Poor Sound Quality:
- Ensure the eartips create a proper seal in your ear canal.
- Clean any earwax or debris from the earbud nozzles.
- Adjust the volume on both your device and using the earbud touch controls.
If the issue persists, please contact customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Model Name | YT18 |
| Bluetooth Version | 5.4 |
| Bluetooth Range | 15 Meters |
| Battery Life (Earbuds) | Up to 8 Hours |
| Total Battery Life (with Case) | Up to 48 Hours |
| Charging Time | 1.5 Hours |
| Water Resistance Level | IP7 Waterproof |
| Audio Driver Size | 14.2 Millimeters |
| Noise Control | Sound Isolation, ENC Noise Cancelling Mic |
| Control Method | Touch |
| Ear Placement | Over Ear |
| Item Weight | 4.6 Ounces |
| Material | Plastic, Silicone |
9. Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official Jesebang website. Keep your proof of purchase for warranty claims.
10. Additional Resources
Product Video
Video 10.1: A brief overview of the Jesebang YT18 Wireless Earbuds, highlighting their audio quality and design. This short clip provides a quick visual introduction to the product's main features.


