1. Introducció
The ACEFAST FA002 Acefit Air Open-Ear Wireless Earbuds are designed to provide a comfortable and immersive audio experience without blocking your ear canal. Featuring Bluetooth 5.4 connectivity, Environmental Noise Cancellation (ENC) for clear calls, and a lightweight, open-ear design, these earbuds are suitable for various activities including sports, gaming, office work, and casual listening. The innovative design ensures sound quality while maintaining situational awareness and comfort during extended wear.

ACEFAST FA002 Acefit Air Open-Ear Wireless Earbuds and charging case.
2. Contingut del paquet
Si us plau, comproveu el paquet per veure si hi ha els elements següents:
- Caixa d'embalatge x 1
- ACEFAST FA002 Acefit Air Earbuds x 1 pair
- Cable de càrrega USB-C x 1
- Manual d'usuari x 1

Contents of the ACEFAST Acefit Air package.
3. Especificacions
| Característica | Detall |
|---|---|
| Nom del producte | ACEFAST ACEFIT Air |
| Xip Bluetooth | BES27001HC |
| Versió Bluetooth | V5.4 |
| Protocol de descodificació d'àudio | SBC/AAC |
| Tipus d'altaveu | Three magnet superlinear dynamic coil |
| Material per a diafragma | Composite Diaphragm |
| Mida de l'altaveu | 20 x 8 mm |
| Temps de reproducció de música | Aprox. 6 hores (al 60% del volum) |
| Temps de conversa | Aprox. 5 hores (al 60% del volum) |
| Durada total de la bateria (amb estoig de càrrega) | Aprox. 25 hores |
| Capacitat de la bateria dels auriculars | 60 mAh |
| Caixa de càrrega Capacitat de la bateria | 500mAh (can charge earphones 3 times) |
| Temps de càrrega dels auriculars | Aprox. 1 hora |
| Temps de càrrega de la caixa de càrrega | Aprox. 2 hores |
| Càrrega ràpida | 10 minutes charge for 2 hours music playback |
| Classificació impermeable | IP54 (a prova de pols i impermeable) |
| Material del producte | ABS + PC + Silicona |
| Interfície de càrrega | Tipus-C |
| Pes de la màquina sencera | Aprox. 54.8 g |
| Pes dels auriculars | Aprox. 7.5 g |
| Dimensions dels auriculars | 49 x 29 x 20 mm |
| Overall Dimensions (Charging Case) | 78.9 x 62.6 x 24.0 mm |
| Opcions de color del producte | Negre, Blanc |

Especificacions detallades del producte.
4. Configuració
4.1 Càrrega inicial
Before first use, ensure both the earbuds and the charging case are fully charged. Connect the provided USB-C charging cable to the charging port on the case and a suitable power source. The indicator lights on the case will show the charging status. Once fully charged, the indicator lights will change or turn off.

Durada de la bateria i càrrega acabadaview.
4.2 Vinculació Bluetooth
- Obre l'estoig de càrrega. Els auriculars entraran automàticament en mode d'emparellament.
- Al dispositiu (telèfon intel·ligent, tauleta, etc.), activeu el Bluetooth.
- Cerca "ACEFAST ACEFIT Air" in the list of available Bluetooth devices.
- Select "ACEFAST ACEFIT Air" to connect. You will hear a confirmation tone once connected.
The earbuds support dual-device connection, allowing seamless switching between two paired devices without needing to disconnect and reconnect manually.

Seamless dual-device switching capability.
4.3 Com posar-se els auriculars
The Acefit Air earbuds feature an open-ear, ear-hook design for comfortable and secure wear. Gently place the ear hook over your ear, ensuring the speaker portion is positioned correctly near your ear canal without entering it. Adjust for a snug yet comfortable fit. The lightweight design (7.5g per earbud) and 0.7mm fine titanium wire ensure comfort even with glasses.

Comfortable and secure open-ear wearing experience.
5. Instruccions de funcionament
5.1 Controls tàctils
The earbuds feature intuitive touch controls on each earbud. Refer to the table below for specific functions:
| Acció | Auricular esquerre (L) | Auricular dret (R) |
|---|---|---|
| Un sol clic | Baixa el volum | Puja el volum |
| Fes doble clic | Reproduir/Pausar música, Respondre/Penjar trucada | |
| Three Strikes | Cançó anterior | Següent Cançó |

Touch operation guide for earbuds.
5.2 Cancel·lació de soroll ambiental (ENC)
The earbuds are equipped with ENC technology to reduce ambient noise during calls, ensuring your voice is clear to the person on the other end. This feature is automatically active during phone calls.

Acabatview of key features including ENC.
5.3 Connectivitat de l'aplicació
For a customized audio experience, download the official ACEFAST app. The app allows you to switch between various sound effects and personalize touch operation settings to suit your preferences.

ACEFAST mobile app interface for customization.
6. Manteniment
6.1 Neteja
Regularly clean your earbuds and charging case with a soft, dry, lint-free cloth. Avoid using abrasive materials, alcohol, or chemical cleaners. Do not immerse the earbuds or case in water.
6.2 Resistència a l'aigua i la pols
The earbuds have an IP54 rating, meaning they are protected against dust ingress and splashing water from any direction. While they are suitable for light rain and sweat, it is recommended to avoid strenuous exercise that may lead to excessive sweat infiltration and potential damage. Do not wear them while swimming or showering.

Earbuds are suitable for fitness activities due to their secure and comfortable fit.
7. Solució De Problemes
- Auriculars que no s'emparellan: Assegura't que els auriculars estiguin carregats i dins de l'abast del dispositiu. Desactiva i activa el Bluetooth del dispositiu i, a continuació, intenta emparellar-los de nou.
- Sense so: Check the volume levels on both your device and the earbuds. Ensure the earbuds are properly connected to your device.
- Un auricular no funciona: Place both earbuds back into the charging case, close the lid, wait a few seconds, then take them out again to reset the connection.
- Problemes de càrrega: Ensure the USB-C cable is securely connected to both the case and the power source. Check if the charging port is clean and free of debris.
- Fuita de so: While designed for open-ear listening, ensure the earbuds are positioned correctly on your ear. Excessive volume can also lead to more noticeable sound leakage.
8. Consells d'usuari
- For optimal comfort and sound, experiment with the earbud placement on your ear to find the best fit for your ear shape.
- Avançanttage of the dual-device connection feature to seamlessly switch between your phone and tablet or computer without re-pairing.
- Utilize the ACEFAST app to fine-tune your audio experience with custom sound effects and personalized touch controls.
- Due to the open-ear design, be mindful of your surroundings, especially in noisy environments, as external sounds will still be audible.
- Regularly charge the case to ensure your earbuds are always ready for use, especially with the convenient 10-minute fast charge feature.
9. Garantia i Suport
For detailed warranty information and customer support, please refer to the official ACEFAST weblloc web o poseu-vos en contacte amb el vostre distribuïdor local. Conserveu el rebut de compra com a comprovant de compra per a qualsevol reclamació de garantia.





