1. Introducció
Thank you for choosing the VOLT PLUS TECH Pro Earbuds YD03. This manual provides essential information on how to set up, operate, and maintain your new wireless earbuds. Please read it carefully to ensure optimal performance and longevity of your device.
Contingut del paquet
- Estoig de càrrega sense fil
- 2 auriculars (esquerra i dreta)
- Cable de càrrega (USB-C)
- Manual d'usuari
- Ear Cushions (Multiple Sizes)

Image 1.1: The VOLT PLUS TECH Pro Earbuds YD03, showing both earbuds and the charging case with its LED display.
2. Primers passos
Càrrega dels auriculars i la funda
Before first use, fully charge the earbuds and the charging case. The charging case also functions as a power bank for the earbuds.
- Connect the provided USB-C cable to the charging port on the case and to a compatible USB power source.
- The LED digital display on the case will show the charging status and battery percentage.
- Place the earbuds into their respective slots in the charging case. They will begin charging automatically. The LED display will indicate the charge level of each earbud (L for left, R for right).
- Una càrrega completa sol trigar aproximadament 2 hores.

Image 2.1: The charging case connected via USB-C cable, illustrating the charging process and LED display.
Vinculació amb el dispositiu
Segueix aquests passos per emparellar els auriculars amb un dispositiu amb Bluetooth:
- Encès: Remove both earbuds from the charging case. They will automatically power on and enter pairing mode. A blue indicator light will flash on the earbuds. If they do not power on automatically, press and hold the touch area on each earbud for 3-5 seconds until the blue indicator light flashes.
- Activa el Bluetooth: On your smartphone, tablet, or other 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. The earbuds will provide a voice prompt "Connected" once pairing is successful.
- Mode auricular únic: The earbuds feature an inaural separation design, allowing you to use either the left or right earbud independently. Simply remove one earbud from the case, and it will connect as a single unit.

Image 2.2: Illustration of the flexible single or dual earbud operation, allowing either earbud to function as the primary unit.
3. Funcionament dels auriculars
Controls tàctils
The VOLT PLUS TECH Pro Earbuds feature intuitive touch controls on each earbud. The functions are as follows:
| Acció | Auricular esquerre (L) | Auricular dret (R) |
|---|---|---|
| Reproduir/Pausa | Premeu breument 1 cop | Premeu breument 1 cop |
| Cançó anterior | Feu doble clic | N/A |
| Següent Cançó | N/A | Feu doble clic |
| Baixa el volum | Feu doble clic | N/A |
| Puja el volum | N/A | Feu doble clic |
| Respondre/Finalitzar la trucada | Premeu breument 1 cop | Premeu breument 1 cop |
| Rebutja la trucada | Premeu llargament durant 2 segons | Premeu llargament durant 2 segons |
| Activate Voice Assistant (e.g., Siri) | Premeu llargament durant 1.5 segons | Premeu llargament durant 1.5 segons |
| Game/Music/Video Mode Switch | Touch switch under 4 seconds | Touch switch under 4 seconds |

Image 3.1: Visual representation of the touch control functions for both left and right earbuds.
4. Característiques
The VOLT PLUS TECH Pro Earbuds YD03 are equipped with advanced features for an enhanced audio experience:
- Tecnologia Bluetooth 5.3: Provides a stable and efficient wireless connection with a range of up to 33 feet. The upgraded chip ensures faster pairing and more reliable transmission.
- Quad Microphones with CVC 8.1 Noise Reduction: Each earbud is equipped with two microphones, totaling four, which utilize CVC 8.1 technology to reduce ambient noise by up to 30 dB during calls, ensuring clear communication.
- Resistència a l'aigua IPX4: The earbuds are designed with an IPX4 waterproof nano-coating, protecting them from splashes, sweat, and light rain. Note: The charging case is not waterproof.
- LED Digital Display Charging Case: The charging case features a clear LED screen that displays the battery percentage of the case and the individual charge levels of the left (L) and right (R) earbuds. This allows for easy monitoring of power status.
- Integrated Power Bank Functionality: The charging case has a 2000mAh battery capacity, providing multiple recharges for the earbuds, extending total playtime up to 25+ hours.
- Àudio d'alta fidelitat: Enjoy immersive sound with 8D stereo surround effect and a graphene composite diaphragm for optimized high-frequency details.
- Control tàctil: Manage music playback, calls, volume, and voice assistant activation directly from the earbuds.

Image 4.1: Diagram highlighting the advanced Bluetooth 5.3 core chip for stable connectivity.

Image 4.2: Close-up of the LED digital display on the charging case, indicating battery levels for the case and individual earbuds.
5. Manteniment
Una cura adequada garanteix la longevitat i el rendiment dels teus auriculars:
- Neteja: Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth. Avoid using abrasive materials or harsh chemicals. Gently clean the ear tips and speaker mesh to prevent wax buildup.
- Emmagatzematge: When not in use, store the earbuds in their charging case to protect them from dust and damage. Keep the case closed.
- Cura de la bateria: To maintain battery health, avoid fully discharging the earbuds and case frequently. Charge them regularly, even if not used for extended periods. Store in a cool, dry place away from extreme temperatures.
- Exposició a l'aigua: While the earbuds are IPX4 water-resistant, avoid submerging them in water. Dry them thoroughly if they get wet before placing them back in the charging case. Ensure the charging port is dry before charging.
6. Solució De Problemes
If you encounter any issues with your earbuds, refer to the following common solutions:
| Problema | Possible solució |
|---|---|
| Els auriculars no es combinen amb el dispositiu |
|
| Només funciona un auricular |
|
| Sense so ni volum baix |
|
| La funda de càrrega no es carrega |
|
7. Especificacions tècniques
| Característica | Especificació |
|---|---|
| Nom del model | YD03 |
| Versió Bluetooth | 5.3 |
| Tecnologia de comunicació sense fils | Bluetooth |
| Interval Bluetooth | 33 peus (10 metres) |
| Control de soroll | Active Noise Cancellation, Passive Noise Cancellation, Sound Isolation (CVC 8.1) |
| Micròfons | Quad Microphones (2 per earbud) |
| Nivell de resistència a l'aigua | IPX4 (només auriculars) |
| Col·locació de l'orella | A l'orella |
| Mètode de control | Toca |
| Caixa de càrrega Capacitat de la bateria | 2000 mAh |
| Temps de reproducció total (amb estoig) | Fins a 25 hores o més |
| Temps de reproducció dels auriculars (una sola càrrega) | Més de 5 hores |
| Temps de càrrega | Aprox. 2 hores |
| Conector d'auriculars | USB-C (for charging case) |
| Dispositius compatibles | Android, Apple iPhone (including iPhone 15 Pro), iOS, Mac, Windows |
| Pes de l'article | 4 Ounces (total) |
| Dimensions del producte | 1.5 x 1 x 1.5 polzades (aproximadament) |
8. Garantia i Suport
For warranty information or technical support, please refer to the contact details provided with your purchase or visit the official VOLT PLUS TECH weblloc web. Conserveu el comprovant de compra per a qualsevol reclamació de garantia.




