1. Introduktion
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.
Videobeskrivelse: En overview 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. Pakkens indhold
Sørg venligst for, at alle varer er til stede i pakken:
- ACEFAST T4 trådløse øretelefoner (venstre og højre)
- Opladningsetui
- L/M/S Silicone Ear Tips (one set pre-installed)
- USB-C ladekabel
- Brugermanual

Billedbeskrivelse: 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. Opsætning
3.1 Opladning af øretelefoner og etuiet
Before first use, fully charge the earbuds and charging case. The charging case features a USB-C port for fast charging.
- Tilslut det medfølgende USB-C-kabel til opladningsporten på etuiet og en strømkilde.
- 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.
- Opladningsetuiet forlænger den samlede lyttetid til cirka 24 timer.
- The charging case takes about 2 hours to fully charge.

Billedbeskrivelse: 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 Automatisk parring
The ACEFAST T4 earbuds feature one-step automatic pairing for convenience.
- Open the charging case cover. The earbuds will automatically enter pairing mode.
- Aktiver Bluetooth på din enhed (smartphone, tablet osv.) og søg efter tilgængelige enheder.
- Select "ACEFAST T4" from the list to connect.
- Once paired, the earbuds will automatically connect to your device when the case is opened for subsequent uses.

Billedbeskrivelse: 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. Betjening
4.1 Sådan tager du ørepropperne på
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.

Billedbeskrivelse: Et nærbillede 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 Tryk på kontrolelementer
The earbuds feature touch-sensitive controls for easy management of calls and music playback.
- Afspil/pause: Et enkelt tryk på begge øretelefoner.
- Næste nummer: Tryk to gange på den højre øretelefon.
- Forrige nummer: Dobbelttryk på venstre øretelefon.
- Besvar/afslut opkald: Et enkelt tryk på begge øretelefoner.
- Afvis opkald: Tryk og hold på en af øretelefonerne.
- Aktiver stemmeassistent: Tryk tre gange på en af øretelefonerne.
4.3 Lydoplevelse
The ACEFAST T4 earbuds are engineered for high-quality audio performance.
- Ultra-lav latens: 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.

Billedbeskrivelse: 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.

Billedbeskrivelse: Et detaljeret diagram viserasing 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.

Billedbeskrivelse: 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. Vedligeholdelse
5.1 Vandtæthed
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.
- Brug dem ikke, mens du svømmer eller tager bad.
- Hvis de bliver våde, skal du tørre dem grundigt af, inden du lægger dem tilbage i opladningsetuiet.
5.2 Rengøring
Regelmæssig rengøring hjælper med at opretholde optimal ydeevne og hygiejne.
- Brug en blød, tør og fnugfri klud til at tørre ørepropperne og opladningsetuiet af.
- Remove ear tips and clean them with mild soap and water, then dry completely before reattaching.
- Undgå at bruge slibende materialer, opløsningsmidler eller aerosolspray.
6. Fejlfinding
If you encounter issues with your ACEFAST T4 earbuds, please refer to the following common solutions:
- Ingen lyd: Sørg for, at ørepropperne er opladet, korrekt parret, og at lydstyrken er justeret på både ørepropperne og din enhed.
- Parringsproblemer: 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.
- Intermitterende forbindelse: 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).
- Opladningsproblemer: Check the USB-C cable and power adapter. Ensure the charging contacts on the earbuds and inside the case are clean and free of debris.
7. Specifikationer
| Feature | Detalje |
|---|---|
| Modelnummer | T4 |
| Forbindelsesteknologi | Trådløs |
| Trådløs kommunikationsteknologi | Bluetooth V5.0 |
| Latency | 65ms Ultra-Lav Latency |
| Øreplacering | In Ear |
| Formfaktor | In Ear |
| Materiale | Plast |
| Kontrolmetode | Røre |
| Mikrofon | Inkluderet |
| Vandmodstandsniveau | IPX5 |
| Music Play/Phone Call Time | Cirka 5 timer |
| Opladningstid for hovedtelefoner | Cirka 1 time |
| Opladningsetui Opladningstid | Cirka 2 timer |
| Working Time with Charging Case | Cirka 24 timer |
| Frekvensresponsområde | 20Hz-20kHz |
| Kompatible enheder | Cell phones and tablets with Bluetooth connection function (Android, iOS) |
| Varens vægt | 3.87 ounce (109.7 g) |
| Pakkedimensioner | 4.29 x 4.29 x 1.77 tommer (10.9 x 10.9 x 4.5 cm) |
8. Garanti og support
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 webwebstedet for at få hjælp. Gem venligst din købsbevis i tilfælde af garantikrav.





