1. Uvod
The ACEFAST FA002 ACEFIT Air are innovative wireless open-ear earphones designed for comfort and impressive sound quality. Featuring Bluetooth 5.4 for ultra-fast connection, these earbuds offer a lightweight and thin design, directional sound technology to minimize leakage, and ENC call noise reduction for clear communication. They are also IP54 rated for dust and water resistance, making them suitable for various activities.

Figure 1: ACEFAST ACEFIT Air Earphones and Charging Case
Video 1: Krajview of ACEFAST ACEFIT Air features including ergonomic design, directional audio, IP54 rating, Bluetooth 5.4, and dual device connectivity.
2. Sadržaj paketa
Molimo označite kućicu za sljedeće stavke:
- Kutija za pakovanje x1
- Slušalice x1 par
- USB-C kabl za punjenje x1
- Uputstvo za upotrebu x1

Figure 2: Visual representation of the package contents.
3. Specifikacije
| Feature | Specifikacija |
|---|---|
| Bluetooth verzija | 5.4 |
| Futrola za punjenje Kapacitet baterije | 500mAh |
| Kapacitet baterije za slušalice | 60mAh (svaki) |
| Vrijeme reprodukcije muzike | Do 6 sati (slušalice), do 25 sati (sa futrolom za punjenje) |
| Vrijeme poziva | Do 5 sati |
| Quick Charge | 10 minutes charge for 2 hours music playback |
| Materijal | ABS, plastika, silika gel |
| Waterproof Rating | IP54 |
| Maksimalni bežični domet | <10m |
| Broj vozača | 2 |
| Driver Diameter | 20mm |
| Opseg impedance | Do 32 Ω |
| Opseg frekvencijskog odziva | 50 - 20000 Hz |
| Osjetljivost | 90 dB |
| Otpor | 32 Ω |
| Raspon radne frekvencije | 2402-2483.5MHz |
| Dimenzije slušalica | 49 x 29 x 20 mm |
| Dimenzije kućišta za punjenje | 78.9 x 62.6 x 24.0 mm |
| Način punjenja | USB Type-C |
| Karakteristike | Microphone, Wireless, App Support, ENC Call Noise Reduction, Directional Sound |
4. Podešavanje
4.1 Punjenje slušalica i futrole
Before first use, fully charge the earphones and charging case. Connect the provided USB-C charging cable to the charging port on the case and a power source. The charging case has a 500mAh battery, and each earbud has a 60mAh battery. A quick 10-minute charge can provide up to 2 hours of music playback.

Figure 3: Earbuds being placed into the charging case for charging.
4.2 Uparivanje s uređajem
- Otvorite kutijicu za punjenje. Slušalice će automatski ući u način rada za uparivanje.
- Na vašem uređaju (pametnom telefonu, tabletu, laptopu) omogućite Bluetooth.
- Traži "ACEFIT Air" in the list of available Bluetooth devices.
- Select "ACEFIT Air" to connect. Once connected, you will hear an audio prompt.
The ACEFIT Air features upgraded Bluetooth 5.4 for an ultra-fast and stable connection.
4.3 Connecting to the ACEFAST App
For enhanced control and customization, download the official ACEFAST app from the Android Store or Apple App Store. The app allows you to switch between various sound effects, customize touch operations, and tailor your music style with custom EQ settings.

Figure 4: The ACEFAST app interface for controlling earbud settings and custom EQ.
5. Uputstvo za upotrebu
5.1 Nošenje slušalica
The ACEFIT Air earphones feature an open-ear design with high-comfort ear hooks. Gently place the ear hooks over your ears, ensuring the sound units are positioned comfortably near your ear canal without entering it. This design allows for awareness of your surroundings while enjoying audio.

Figure 5: Proper wearing of the open-ear earphones for directional sound.
5.2 Kontrole na dodir
The earphones are equipped with touch-sensitive controls on each earbud. Refer to the diagram below for specific functions:

Figure 6: Detailed touch control functions for both left and right earbuds.
| Akcija | Funkcija lijeve slušalice | Funkcija desne slušalice |
|---|---|---|
| Dodirnite | Utišajte jačinu zvuka | Pojačajte jačinu zvuka |
| Double Tap | Odgovori/prekini poziv | Odgovori/prekini poziv |
| Three Taps | Prethodna pjesma | Sljedeća pjesma |
| Long Touch 2s | Glasovni asistent za buđenje | Glasovni asistent za buđenje |
| Long Touch 3s | Independent boot | Independent boot |
| Long Touch 3-5s | Vratite tvorničke postavke | Vratite tvorničke postavke |
5.3 Povezivanje dva uređaja
The ACEFIT Air supports seamless switching between two connected devices simultaneously. For example, you can be watching a video on a tablet and instantly answer a call on your mobile phone using the earbuds without needing to manually switch connections.

Figure 7: Illustrates simultaneous connection to a phone and a tablet.
6. Održavanje
6.1 Čišćenje
Regularly clean your earphones and charging case to ensure optimal performance and hygiene. Use a soft, dry, lint-free cloth to wipe down the surfaces. For stubborn dirt, a slightly damp Može se koristiti krpa, ali pazite da vlaga ne uđe u otvore. Nemojte koristiti jake hemikalije ili abrazivne materijale.
6.2 Skladištenje
When not in use, store the earphones in their charging case to protect them from dust, damage, and to keep them charged. Store the case in a cool, dry place away from extreme temperatures.
7. Otkrivanje problema
7.1 No Sound or Connection Issues
- Uvjerite se da su slušalice napunjene.
- Provjerite je li Bluetooth omogućen na vašem uređaju i jesu li slušalice uparene.
- Pokušajte odvojiti i ponovo upariti slušalice sa svojim uređajem.
- If connecting to multiple devices, ensure the correct device is actively selected or try disconnecting from other devices.
- Move closer to your device to ensure you are within the <10m wireless range.
7.2 Propuštanje zvuka
The ACEFIT Air uses AudioLance Directional Audio Technology and directional sound focusing technology to reduce sound leakage by up to 90%. If you experience significant sound leakage, ensure the earbuds are positioned correctly on your ears as shown in Figure 5.
7.3 Problemi s kvalitetom poziva
The earphones feature ENC (Environmental Noise Cancellation) technology for calls. If call quality is poor, ensure the microphones are not obstructed and you are in an area with good network coverage.
8. Savjeti za korisnike
- Otpornost na vodu: The earphones have an IP54 rating, meaning they are protected against dust and splashing water from any direction. They are suitable for workouts and light rain, but not recommended for swimming or submersion in water.
- Punjenje: The charging case does not support wireless charging. Please use the provided USB-C cable for charging.
- udobnost: The open-ear design is intended for comfort during long wear and to maintain environmental awareness. Adjust the ear hooks for the most secure and comfortable fit.
9. Sigurnosne informacije
- Nemojte rastavljati, popravljati ili modificirati proizvod.
- Proizvod držite dalje od ekstremnih temperatura, direktne sunčeve svjetlosti i vatre.
- Avoid exposing the product to strong magnetic fields.
- Do not use the product during thunderstorms to prevent malfunction or electric shock.
- Čuvati van domašaja djece i kućnih ljubimaca.
- Odlažite proizvod i baterije odgovorno u skladu sa lokalnim propisima.
10. Garancija i podrška
For warranty information, technical support, or customer service inquiries, please refer to the official ACEFAST website or contact your local retailer. Ensure you have your product model number (FA002 ACEFIT Air) and proof of purchase available when seeking support.





