1. Introducció
Thank you for choosing the VOLT PLUS TECH Pro Earbuds Wireless V5.3 LED. These earbuds are designed to provide a superior audio experience with advanced features such as Bluetooth 5.3 connectivity, active noise cancellation, and a convenient digital LED display charging case. This manual will guide you through the setup, operation, and maintenance of your new earbuds to ensure optimal performance and longevity.

Image 1.1: The Pro Earbuds Wireless V5.3 LED, showcasing both earbuds and the charging case with its digital LED display.
2. Què hi ha a la caixa
Si us plau, comproveu el contingut del paquet per assegurar-vos que hi hagi tots els elements:
- VOLT PLUS TECH Pro Earbuds (Left and Right)
- Charging Case with Digital LED Display
- Cable de càrrega USB-C
- Puntes per a les orelles (talles petites, mitjanes, grans)
- Manual d'usuari (aquest document)
3. Producte acabatview
The VOLT PLUS TECH Pro Earbuds are equipped with several advanced features for an enhanced audio experience:
- Bluetooth 5.3: Garanteix una connectivitat sense fil estable i eficient.
- Pantalla LED digital: Shows battery levels of the charging case and individual earbuds.
- Quad Noise-Cancelling Microphones: Two microphones per earbud with CVC 8.1 technology for clear calls.
- Llarga vida útil de la bateria: Up to 5+ hours of playtime per charge, with an additional 20+ hours from the 2000mAh charging case.
- IPX3 Impermeable: Resistant to sweat and light splashes, suitable for sports (charging case is NOT waterproof).
- Controls tàctils: Intuitive touch sensors for music, calls, and voice assistant.
- Single/Dual Earbud Operation: Use one or both earbuds independently.
- 8D Stereo Surround Sound: Immersive audio quality.

Image 3.1: An infographic highlighting key features such as Game/Video/Music modes, Bluetooth 5.3 chip, Type-C quick charge, intelligent digital display, HiFi stereo sound, smart noise reduction, emergency charging, dual host switching, and carving breathing lamp efecte.
4. Configuració
4.1 Càrrega inicial
Abans del primer ús, carregueu completament els auriculars i l'estoig de càrrega.
- Col·loqueu els dos auriculars a la caixa de càrrega.
- Connect the USB-C charging cable to the charging port on the case and plug the other end into a USB power adapter (not included).
- The digital LED display on the case will show the charging status and battery levels. Ensure both earbuds and the case are fully charged before proceeding.

Image 4.1: The charging case connected via USB-C cable, illustrating the charging process and the digital display indicating battery levels.
4.2 Emparellament amb el dispositiu
- Encès: Remove both earbuds from the charging case. They will automatically power on. A blue indicator light will flash to confirm. If they do not power on automatically, press and hold the touch area on both earbuds for 3-5 seconds until the blue indicator light flashes.
- Activació de Bluetooth: On your smartphone or audio device, go to the Bluetooth settings and ensure Bluetooth is turned on.
- Cerca Dispositiu: In the list of available Bluetooth devices, search for "YD03".
- Connectar: Select "YD03" to pair. Once connected, the earbuds will provide a voice prompt "Connected".
- Mode auricular únic: You can use either earbud independently. Simply remove one earbud from the case, and it will automatically connect. The other earbud can remain in the case or be used later.

Image 4.2: A diagram explaining the "Master-slave switch" functionality, allowing for single or dual earbud operation by directing the left or right earbud as the main unit.
5. Instruccions de funcionament
The earbuds feature intuitive touch controls on their outer surface. Refer to the diagram below for specific functions:

Image 5.1: A visual guide to the touch controls on the earbuds. It shows double-click on the left earbud for previous song and triple-click for volume reduction, and double-click on the right earbud for next song and triple-click for volume increase. It also illustrates long press for calls (short press to answer, 1.5 seconds to reject), short press for play/pause, and long press for 1.5 seconds to activate voice assistant (eSiri).
5.1 Reproducció de música
- Reproduir/pausa: Un sol toc a qualsevol dels auriculars.
- Següent cançó: Fes doble toc D'acord auricular.
- Cançó anterior: Fes doble toc Esquerra auricular.
- Pujar el volum: Toqueu tres vegades D'acord auricular.
- Baixar el volum: Toqueu tres vegades Esquerra auricular.
5.2 Gestió de trucades
- Respon a la trucada: Short press on either earbud.
- Rebutja la trucada: Premeu llargament qualsevol dels auriculars durant 1.5 segons.
- Finalitzar la trucada: Short press on either earbud during a call.
5.3 Assistent de veu
- Activa l'assistent de veu (per exemple, Siri): Premeu llargament qualsevol dels auriculars durant 1.5 segons (quan no estigueu en una trucada).
5.4 Encès/Apagat
- Encès: Remove from charging case, or long press for 3-5 seconds.
- Apagar: Place back into the charging case, or long press for 5 seconds.
6. Manteniment
Una cura adequada allargarà la vida útil dels vostres auriculars:
- Neteja: Use a soft, dry, lint-free cloth to clean the earbuds and charging case. Do not use harsh chemicals or abrasive materials. Gently clean ear tips with a damp cloth and mild soap if necessary, ensuring they are completely dry before reattaching.
- Emmagatzematge: When not in use, always store the earbuds in their charging case to protect them and keep them charged. Store in a cool, dry place away from extreme temperatures.
- Resistència a l'aigua: The earbuds are IPX3 waterproof, meaning they are resistant to light splashes and sweat. Do not submerge them in water. The charging case is NOT waterproof; keep it dry.
7. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Els auriculars no s'emparellan amb el dispositiu. | Bluetooth is off; earbuds are out of charge; earbuds are already paired to another device; pairing mode not activated. | Ensure Bluetooth is on your device. Charge earbuds. Disconnect from other devices. Remove earbuds from case to activate pairing mode, or manually power on. |
| Només funciona un auricular. | One earbud is out of charge; earbuds are not properly synced; single earbud mode is active. | Place both earbuds back into the charging case, then remove them together. Ensure both are charged. If still an issue, try resetting the earbuds (refer to manufacturer support if needed). |
| Els auriculars no es carreguen. | Charging cable is faulty; charging port is dirty; earbuds not seated correctly in case. | Try a different USB-C cable and power adapter. Clean the charging contacts on the earbuds and in the case. Ensure earbuds are properly seated in the case. |
| Poor sound quality or connection drops. | Distància del dispositiu; interferències; bateria baixa. | Move closer to your device. Avoid areas with strong Wi-Fi or other Bluetooth signals. Ensure earbuds are fully charged. |
8. Especificacions
| Nom del model | YD03 |
| Versió Bluetooth | 5.3 |
| Tecnologia de connectivitat | Sense fil |
| Tecnologia de comunicació sense fils | Bluetooth |
| Control de soroll | Cancel·lació activa de soroll (CVC 8.1) |
| Nivell de resistència a l'aigua | IPX3 (Earbuds only, charging case not waterproof) |
| Capacitat de la bateria (cas de càrrega) | 2000mAh (approx. 20+ hours additional playtime) |
| Temps de reproducció per càrrega | Més de 5 hores |
| Interval de freqüència | 20Hz - 120Hz (Music), 150Hz (Phone Calls) |
| Mètode de control | Toca |
| Col·locació de l'orella | A l'orella |
| Material | Acrylonitrile Butadiene Styrene (ABS), Hi-Impact Plastic, Stainless Steel, Titanium |
| Dimensions del producte | 1.5 x 1 x 1.5 polzades |
| Pes de l'article | 4 unces |

Image 8.1: A visual representation emphasizing the Bluetooth 5.3 core upgrade chip for more stable transmission and simpler connection.

Image 8.2: An illustration detailing the graphene composite diaphragm, highlighting its light quality and fast response for high fidelity audio and abundant detail.
9. Informació de seguretat
- No exposeu els auriculars ni l'estoig de càrrega a temperatures extremes, a la llum solar directa ni al foc.
- No intenteu desmuntar ni modificar el producte.
- Mantenir allunyat de nens i animals de companyia.
- Avoid using earbuds at high volume for extended periods to prevent hearing damage.
- No utilitzeu els auriculars en situacions on la impossibilitat d'escoltar els sons ambientals pugui ser perillosa (per exemple, conduir, anar en bicicleta o caminar pel trànsit).
10. Garantia i Suport
For warranty information and customer support, please refer to the documentation provided at the time of purchase or contact your retailer. You may also visit the official VOLT PLUS TECH weblloc per obtenir més ajuda.
Per a assistència tècnica o consultes, poseu-vos en contacte amb:
- Fabricant: VOLT PLUS TECH
- Model: YD03
- ASIN: B0CP8HHQWK




