1. Introducció
Thank you for choosing the ACEFAST T4 True Wireless Bluetooth Earbuds. These earbuds are designed to provide a superior audio experience with ultra-low latency, deep bass Hi-Fi stereo sound, and a comfortable, secure fit. This manual will guide you through the setup, operation, and maintenance of your new earbuds.
Descripció del vídeo: Un acabatview of the ACEFAST T4 True Wireless Earbuds, highlighting key features such as low latency, immersive bass, Bluetooth 5.0 technology, composite fiber PU diaphragm moving coil speaker, one-step automatic pairing, water resistance, lightweight design, and USB-C charging. The video visually demonstrates these features and the product's design.
2. Contingut del paquet
Si us plau, assegureu-vos que tots els elements estiguin presents al paquet:
- ACEFAST T4 Wireless Earbuds (Left and Right)
- Estoig de càrrega
- L/M/S Silicone Ear Tips (one set pre-installed)
- Cable de càrrega USB-C
- Manual d'usuari

Descripció de la imatge: A visual representation of the ACEFAST T4 earbuds package contents, including the wireless earbuds, charging case, L/M/S silicone ear tips, USB-C charging cable, and the user manual, all neatly arranged next to the product box.
3. Configuració
3.1 Càrrega dels auriculars i l'estoig
Before first use, fully charge the earbuds and charging case. The charging case features a USB-C port for fast charging.
- Connecteu el cable USB-C proporcionat al port de càrrega de la funda i a una font d'alimentació.
- LED indicators on the case will show charging status.
- A 10-minute charge provides approximately 1 hour of use.
- Earbuds provide about 5 hours of listening time on a full charge.
- The charging case extends total listening time to approximately 24 hours.
- The charging case takes about 2 hours to fully charge.

Descripció de la imatge: An illustration demonstrating the USB-C fast charging capability of the ACEFAST T4 earbuds and their charging case. It highlights the charging port and indicates listening times: 5 hours for earbuds and 24 hours total with the charging case.
3.2 Emparellament automàtic
The ACEFAST T4 earbuds feature one-step automatic pairing for convenience.
- Open the charging case cover. The earbuds will automatically enter pairing mode.
- Al dispositiu (telèfon intel·ligent, tauleta, etc.), activeu el Bluetooth i cerqueu els dispositius disponibles.
- Select "ACEFAST T4" from the list to connect.
- Un cop emparellats, els auriculars es connectaran automàticament al dispositiu quan s'obri la funda per a usos posteriors.

Descripció de la imatge: A visual showing the one-step automatic pairing process of the ACEFAST T4 earbuds. A smartphone displays a call screen, and the open charging case with earbuds is shown, indicating automatic connection upon opening.
4. Funcionament
4.1 Com posar-se els auriculars
For optimal sound quality and comfort, choose the correct ear tip size.
- The earbuds are lightweight, weighing approximately 0.17 oz (4.8g) each.
- Three sizes of silicone ear tips (S, M, L) are included to ensure a secure and comfortable fit for various ear canal sizes.
- Gently insert the earbuds into your ears and rotate them slightly to find the most comfortable and secure position.

Descripció de la imatge: Un primer pla view of an earbud comfortably seated in an ear, emphasizing the ergonomic design. Below, three sets of ear tips (Small, Medium, Large) are displayed, illustrating the options for a customized fit.
4.2 Controls tàctils
The earbuds feature touch-sensitive controls for easy management of calls and music playback.
- Reproduir/pausa: Un sol toc a qualsevol dels auriculars.
- Pista següent: Toca dues vegades l'auricular dret.
- Pista anterior: Toca dues vegades l'auricular esquerre.
- Respondre/Finalitzar la trucada: Un sol toc a qualsevol dels auriculars.
- Rebutja la trucada: Prem i mantén premut qualsevol dels auriculars.
- Activa l'Assistent de veu: Toqueu tres vegades qualsevol dels auriculars.
4.3 Experiència d'àudio
The ACEFAST T4 earbuds are engineered for high-quality audio performance.
- Latència ultra baixa: With 65ms ultra-low latency, these earbuds provide highly synchronized audio, enhancing your gaming and video watching experience by minimizing delay.
- Deep Bass Hi-Fi Stereo Sound: Equipped with a composite fiber PU diaphragm moving coil speaker, the earbuds deliver a wide sound field and powerful low-frequency response for rich, immersive audio.
- Original Acoustic Technology: This technology accurately restores sound effects, providing a realistic audio environment for games and videos.

Descripció de la imatge: A graphic illustrating the 65ms ultra-low latency of the ACEFAST T4 earbuds compared to regular wireless earbuds (200ms). It shows a person playing a mobile game with the earbuds, emphasizing the synchronized audio and video experience.

Descripció de la imatge: Un diagrama detallat mostraasing the internal structure of the composite fiber PU diaphragm moving coil speaker, highlighting its components responsible for delivering premium deep bass and Hi-Fi stereo sound with a wide sound field.

Descripció de la imatge: A dynamic image depicting a person enjoying media (gaming and music) with the ACEFAST T4 earbuds, illustrating the 'Original Acoustic Technology' that realistically restores sound effects for an immersive experience.
5. Manteniment
5.1 Resistència a l'aigua
The ACEFAST T4 earbuds are rated IPX5 water resistant, meaning they can withstand splashes and sweat. They are not designed for submersion in water.
- Avoid exposing the earbuds to excessive moisture or liquids.
- No les porteu mentre nedeu o us dutxeu.
- If they get wet, wipe them dry thoroughly before placing them back in the charging case.
5.2 Neteja
Una neteja regular ajuda a mantenir un rendiment i una higiene òptims.
- Feu servir un drap suau, sec i sense borrissol per netejar els auriculars i l'estoig de càrrega.
- Remove ear tips and clean them with mild soap and water, then dry completely before reattaching.
- Eviteu l'ús de materials abrasius, dissolvents o aerosols.
6. Solució De Problemes
If you encounter issues with your ACEFAST T4 earbuds, please refer to the following common solutions:
- Sense so: Ensure earbuds are charged, properly paired, and volume is adjusted on both the earbuds and your device.
- Problemes d'aparellament: Turn off Bluetooth on your device, place earbuds back in the case, close and reopen the case, then try pairing again. Ensure no other devices are trying to connect.
- Connexió intermitent: Ensure earbuds are within range of your device and there are no significant obstructions. Try resetting the earbuds (refer to specific reset instructions if available in a full manual).
- Problemes de càrrega: Revisa el cable USB-C i l'adaptador de corrent. Assegura't que els contactes de càrrega dels auriculars i de l'interior de la funda estiguin nets i lliures de residus.
7. Especificacions
| Característica | Detall |
|---|---|
| Número de model | T4 |
| Tecnologia de connectivitat | Sense fil |
| Tecnologia de comunicació sense fils | Bluetooth V5.0 |
| Latència | Latència ultra baixa de 65 ms |
| Col·locació de l'orella | A l'orella |
| Factor de forma | A l'orella |
| Material | Plàstic |
| Mètode de control | Toca |
| Micròfon | Inclòs |
| Nivell de resistència a l'aigua | IPX5 |
| Music Play/Phone Call Time | Unes 5 hores |
| Temps de càrrega dels auriculars | Aproximadament 1 hora |
| Temps de càrrega de la caixa de càrrega | Unes 2 hores |
| Working Time with Charging Case | Unes 24 hores |
| Interval de resposta de freqüència | 20Hz-20kHz |
| Dispositius compatibles | Cell phones and tablets with Bluetooth connection function (Android, iOS) |
| Pes de l'article | 3.87 unces (109.7 g) |
| Dimensions del paquet | 4.29 x 4.29 x 1.77 polzades (10.9 x 10.9 x 4.5 cm) |
8. Garantia i Suport
ACEFAST provides an 18-month worry-free quality guarantee for the T4 True Wireless Bluetooth Earbuds.
If you encounter any problems or have questions regarding your product, please contact ACEFAST customer support through the retailer's platform or the official ACEFAST weblloc web per obtenir ajuda. Si us plau, conserveu el comprovant de compra per a reclamacions de garantia.





