D4 D4

True Wireless Bluetooth 5.49 Earphones User Manual

Model: D4

Marca: Genèrica

Introducció

Thank you for choosing our True Wireless Bluetooth 5.49 Earphones, Model D4. These semi in-ear earphones are designed to provide a superior audio experience with advanced features such as a 72-hour battery life (with charging case), HIFI sound quality, and dual-microphone call noise reduction. This manual will guide you through the setup, operation, and maintenance of your new earphones to ensure optimal performance.

True Wireless Earphones with charging case, highlighting Bluetooth 5.49 chip, 72H battery life, and HIFI sound quality.
True Wireless Earphones with charging case, highlighting Bluetooth 5.49 chip, 72H battery life, and HIFI sound quality.

Contingut del paquet

Abans de començar, comproveu el contingut del paquet per assegurar-vos que hi ha tots els elements:

  • 2 x Auriculars
  • 1 x funda de càrrega
  • 1 x cable de càrrega tipus C
  • 1 x Manual d'instruccions (aquest document)
Diagram showing the package contents: two earphones, a charging case, a Type-C charging cable, and an instruction manual.
Package contents: two earphones, a charging case, a Type-C charging cable, and an instruction manual.

Guia de configuració

1. Càrrega dels auriculars i l'estoig

Before first use, fully charge the earphones and charging case. The charging case features a Type-C port for convenient charging. A full charge for the case typically takes approximately 2 hours. The earphones will charge automatically when placed inside the powered charging case.

2. Encès / apagat

  • To power on: Press and hold the touch area on both earphones for more than 3 seconds.
  • To power off: Press and hold the touch area on both earphones for more than 3 seconds. Alternatively, place them back into the charging case.

3. Emparellament Bluetooth

Follow these steps to pair your earphones with your device:

  1. Ensure both earphones are powered on. They will flash, indicating they are searching for each other.
  2. The two earphones will automatically pair with each other. Once paired, only one earphone will continue to flash, indicating it's ready to connect to your device.
  3. Al telèfon intel·ligent o al dispositiu amb Bluetooth, aneu a la configuració de Bluetooth.
  4. Cerca available devices and select "TWS" from the list.
  5. Once connected, the flashing light on the earphone will stop, and you will hear a confirmation sound.
Image illustrating the operation steps for turning on, automatic pairing, and connecting the earphones to a phone via Bluetooth.
Operation steps for turning on, automatic pairing, and connecting the earphones to a phone via Bluetooth.

The earphones are compatible with both Apple and Android systems, as well as other Bluetooth-enabled devices like tablets.

Image showing the earphones connected to a smartphone and a tablet, demonstrating compatibility with multiple wireless devices.
Earphones connected to a smartphone and a tablet, demonstrating compatibility with multiple wireless devices.

Instruccions de funcionament

Controls tàctils

Your earphones feature multi-functional touch controls for easy management of music playback, calls, and voice assistant activation. The touch position is typically on the outer surface of the earbud.

  • Feu clic una vegada: Play/Pause music, Answer/Hang up phone calls.
  • Toca dues vegades: Augmenta/Disminueix el volum.
  • Toca dues vegades: Skip to Previous/Next Song.
  • Premeu llargament durant 1 segon: Wake up your phone's voice assistant.
Diagram illustrating the touch control functions on the earphone for music, calls, volume, and voice assistant.
Multi-functional touch control instructions for music, calls, volume, and voice assistant.

Reducció de soroll de trucades

The earphones are equipped with Dual MIC call noise reduction technology. This feature helps to extract your voice clearly while reducing external interference, ensuring clear communication during calls.

Illustration of dual MIC call noise reduction, showing how it extracts clear human voice and reduces external noise.
Dual MIC call noise reduction technology to extract clear human voice and reduce external interference.

Qualitat del so

Experience top-notch sound effects with Hi-Res Audio Wireless support. The earphones feature a 13mm vibrating ring composite speaker, delivering dual ear stereo sound that restores the original audio quality across an audible range of 20Hz to 40KHz.

Graphic illustrating Hi-Res Audio Wireless and the audible frequency range from 20Hz to 40KHz for top-notch sound effects.
Hi-Res Audio Wireless for top-notch sound effects, showing audible range from 20Hz to 40KHz.
Detallada view of earphone components, highlighting comfortable earplugs, 72-hour standby time, 5.49 wireless chip, and 13mm vibrating ring composite speaker.
Detallada view of earphone components, highlighting comfortable earplugs, 72-hour standby time, 5.49 wireless chip, and 13mm vibrating ring composite speaker.

Manteniment

Per garantir la longevitat i el rendiment òptim dels vostres auriculars, seguiu aquestes pautes de manteniment:

  • Neteja: Gently wipe the earphones and charging case with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
  • Emmagatzematge: Quan no els utilitzeu, guardeu els auriculars a la seva funda de càrrega per protegir-los de la pols i els danys.
  • Eviteu la humitat: Keep the earphones and charging case dry. Do not expose them to water or excessive humidity.
  • Temperatura: Eviteu les temperatures extremes, tant les altes com les baixes, ja que poden afectar la durada de la bateria i el rendiment general.
Close-up of the charging case, showcasing its new technology and leather texture appearance.
The charging case features a new technology with a leather texture appearance.

Resolució de problemes

If you encounter any issues with your earphones, please refer to the following common troubleshooting steps:

  • Earphones not pairing with each other: Ensure both earphones are fully charged and powered on. Place them back in the case, close it, then open it again to reset the connection.
  • Earphones not connecting to device: Make sure Bluetooth is enabled on your device and the earphones are in pairing mode (one earphone flashing). Forget the device "TWS" from your device's Bluetooth list and try pairing again.
  • No se sent so en un auricular: Check if both earphones are charged and connected. Try resetting them by placing them in the case and then taking them out.
  • Problemes de càrrega: Ensure the Type-C cable is securely connected to both the case and the power source. Try a different cable or power adapter.
  • Volum baix o qualitat de so deficient: Check the volume levels on both your device and the earphones. Ensure the earphones are clean and properly seated in your ears.

Especificacions

Característica Especificació
Model D4
Wireless (BT) Name TWS
Versió Bluetooth 5.49
Distància de connexió ≤10 metres
Sistema compatible Apple/Android
Port de càrrega Tipus-C
Suport de càrrega ràpida No
Capacitat de la bateria dels auriculars 200 mAh
Durada total de la bateria (amb funda) Fins a 72 hores
Temps de càrrega Aprox. 2 hores
Earphone Standby Time Aprox. 30 hores
Protocols de suport HFP / A2DP / HSP / AVRCP
Material Plàstic
Control de volum Sí (mitjançant control tàctil)
Botó de control No (botons físics)
Principi de vocalisme Dinàmic
Certificació FCC
Origen Xina continental
Pes d'un sol auricular 3.7 g
Case Dimensions (H x W) 4.5 cm x 4.5 cm (1.77 polzades x 1.77 polzades)
Altaveu 13mm vibrating ring composite speaker
Image displaying product dimensions and a table of detailed technical specifications for the earphones.
Product dimensions and detailed technical specifications.

Consells per a l'usuari

  • Ajust còmode: The earphones are designed to be lightweight (3.7g per earphone) and comfortable for long-term wear. Experiment with the fit to find the most secure and comfortable position in your ears for optimal sound and stability.
  • Verifiqueu el contingut del paquet: Upon receiving your product, always double-check that you have received both earphones and the charging case, along with the charging cable and manual, as some users inquire about the completeness of the package.
  • Maximitzar la durada de la bateria: Always store your earphones in the charging case when not in use to keep them charged and protected, extending their overall battery life.
  • Assistent de veu: Utilize the long-press touch control to quickly access your phone's voice assistant for hands-free commands.
A person wearing an earphone, emphasizing its lightweight design (3.7g) and comfort for long-term use.
Single earphone weight of 3.7g, designed for comfortable long-term wear.

Garantia i Suport

For any product-related inquiries, technical support, or warranty claims, please contact the seller directly through the platform where you purchased the product. Please retain your proof of purchase for any warranty services.

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