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The Jesebang Wireless Earbuds (Model YT18-GR) are Bluetooth 5.3 stereo earphones designed for a high-quality audio experience. They feature 13mm graphene speakers, triple-layer composite diaphragms for powerful bass, stunning treble, and clear mids. The built-in microphones utilize Environmental Noise Cancellation (ENC) for clear communication during calls. These earbuds offer an extended playtime of up to 40 hours with the charging case, an LED display for battery status, and an IP7 waterproof rating, making them suitable for sports and active lifestyles. They are designed for comfort with earhooks and support one-step auto pairing for ease of use.

Figura 1: Jesebang Wireless Earbuds YT18-GR in their charging case, showcasing the green color and LED display.

Figura 2: Detailed internal structure of the earbud, illustrating the 13mm graphene drivers and composite diaphragms responsible for high-quality stereo sound.
Contingut del paquet
Si us plau, verifiqueu que tots els elements siguin presents al paquet:
- Jesebang Wireless Earbuds (Left and Right)
- Estoig de càrrega
- Cable de càrrega USB-C
- Manual d'usuari (aquest document)

Figura 3: The retail packaging for the Jesebang YT18 True Wireless Earbuds.
Configuració
1. Càrrega inicial
Before first use, fully charge the earbuds and the charging case. Connect the provided USB-C cable to the charging case and a power source. The digital LED display on the case will show the charging progress from 1 to 100. When placing the earbuds into the case, they will begin charging automatically, and their individual battery levels will be displayed.

Figura 4: The charging case and earbuds displaying their respective power levels via LED indicators.
2. Emparellament amb el dispositiu
Els auriculars utilitzen tecnologia Bluetooth 5.3 per a una connexió estable i ràpida.
- Remove both earbuds from the charging case. They will automatically power on and pair with each other.
- On your device (smartphone, tablet, etc.), activate Bluetooth.
- Cerca "YT18" in the list of available Bluetooth devices and select it to connect.
- Un cop connectats, sentireu una confirmació audible i els auriculars estaran llestos per al seu ús.

Figura 5: Visual guide for the one-step auto pairing process, showing the earbuds and a phone's Bluetooth settings.
3. Comfort Fit and Waterproofing
The earbuds are designed with earhooks to ensure a secure and comfortable fit, especially during physical activities. They are also IP7 waterproof, protecting them from sweat and rain during intense workouts.

Figura 6: The earbuds are designed for active use, featuring IP7 waterproof and sweat resistance.
Instruccions de funcionament
Controls tàctils
The Jesebang Wireless Earbuds feature intuitive touch control sensors on each earbud. The following table outlines the common functions:
| Acció | Funció |
|---|---|
| Toc únic (E/D) | Reproduir / Pausar música, Respondre / Finalitzar trucada |
| Doble Toc (L) | Cançó anterior |
| Doble toc (R) | Següent Cançó |
| Triple Toc (L) | Baixa el volum |
| Triple Toc (R) | Puja el volum |
| Premda llarga (2s) (E/D) | Reject Call / Activate Voice Assistant |
| Premda llarga (5s) (E/D) | Encès/Apagat |
Mode estèreo i mono
The earbuds can be used together for a stereo audio experience or independently in mono mode. To use a single earbud, simply remove one from the charging case; it will automatically connect to your device if previously paired. This is useful for calls or when you need to be aware of your surroundings.
Cancel·lació de soroll de trucades (ENC)
Each earbud is equipped with a built-in microphone that utilizes Environmental Noise Cancellation (ENC) technology. This feature helps to reduce background noise during calls, ensuring clear and realistic sound for both you and the person you are speaking with.

Figura 7: Illustration of the dual microphone system for enhanced call noise cancellation.
Manteniment
Un manteniment adequat garanteix la longevitat i el rendiment òptim dels teus auriculars.
- Neteja: Regularly clean both the charging contacts on the earbuds and the charging pins within the charging case. Use a dry, soft cloth or cotton swab. Ensure to remove any sweat or dirt buildup to prevent charging failures.
- Exposició a l'aigua: While the earbuds are IP7 waterproof, they are not designed for prolonged submersion. Avoid exposing them to saltwater or chemicals. Dry them thoroughly after exposure to sweat or rain before placing them back in the charging case.
- Emmagatzematge: Store the earbuds and charging case in a cool, dry place away from direct sunlight and extreme temperatures.
Resolució de problemes
If you encounter issues with your Jesebang Wireless Earbuds, please refer to the following common solutions:
- Auriculars que no s'aparellen entre si:
Ensure both earbuds are fully charged. Place them back into the charging case, close the lid for a few seconds, then open it and remove them simultaneously. They should automatically pair.
- Auriculars que no es connecten al dispositiu:
Check if Bluetooth is enabled on your device. Forget "YT18" from your device's Bluetooth list and attempt to pair again following the "Pairing with Your Device" steps.
- No se sent cap so d'un auricular:
Ensure both earbuds are charged. Try placing both back in the case, closing the lid, and then removing them. If the issue persists, a full discharge and recharge might help. For specific reset procedures, consult the manufacturer's official support channels.
- Problemes de càrrega:
Clean the charging contacts on the earbuds and the charging pins in the case. Ensure the USB-C cable is securely connected and the power source is functional.
Especificacions
| Característica | Detall |
|---|---|
| Nom del model | YT18-GR |
| Tecnologia de connectivitat | Sense fil (Bluetooth 5.3) |
| Interval Bluetooth | Fins a 15 metres |
| Mida del controlador d'àudio | 13mm Graphene Drivers |
| Impedància | 32 ohms |
| Interval de freqüència | 2.4 GHz |
| Potència de transmissió sense fils | 6-8 dbm |
| Temps de joc (auriculars) | Fins a 8 hores (una sola càrrega) |
| Temps de reproducció total (amb estoig de càrrega) | Fins a 40 hores |
| Temps de càrrega (auriculars) | Aprox. 1.5 hores |
| Temps de càrrega (cas de càrrega) | Aprox. 3.5 hores |
| Capacitat de la bateria (auriculars) | 40 mAh (cada una) |
| Capacitat de la bateria (cas de càrrega) | 400 mAh |
| Entrada/sortida | 4.75V/5.25V/500mA |
| Nivell de resistència a l'aigua | Impermeable IP7 |
| Mètode de control | Control tàctil |
| Dimensions del producte | 2.87 x 1.73 x 4.02 polzades |
| Pes de l'article | 4.6 unces |

Figura 8: Detailed product parameters as listed on the packaging.
Garantia i Suport
For warranty information and technical support, please contact the manufacturer directly.
- Fabricant: Shenzhen medu Acoustic Technology Co., Ltd
- Adreça: China, Guangdong, Dongguan Fenggang town, Golden Phoenix Avenue, Fenghe Industrial Park, 5th floor, building D
- Persona de contacte: Jingfan Wen
- Telèfon: +86 236 8209 8166
For European and UK inquiries, please use the following representative contacts:
- Representant del Regne Unit: EVATOST CONSULTING LTD
- Adreça: Suite 11, primer pis, Moy Road Business Centre, Taffs Well, Cardiff, Gal·les, CF15 7QR
- Correu electrònic: contact@evatmaster.com
- Representant de la CE: eVatmaster Consulting GmbH
- Address: Bettinastr. 30, 60325 Frankfurt am Main, Germany
- Correu electrònic: contact@evatmaster.com

Figura 9: Contact details for UK and EC representatives as printed on the product packaging.





