Introducción
The ACEFAST ACEFIT Pro are innovative open-ear earphones designed for comfort, safety, and high-quality audio. Featuring a unique LED ambient breathing light, Bluetooth 5.4 connectivity, and advanced noise-cancelling technology, these earphones are perfect for various activities, from sports to daily commutes. Their lightweight, ear-hook design ensures a secure and comfortable fit without blocking ambient sounds, enhancing situational awareness.

Figure 1: ACEFAST ACEFIT Pro Earphones and Charging Case
Características principales:
- iF Design Award Winner: Recognized globally for its innovative LED illumination and open-ear design.
- LED Ambient Breathing Light: 40 integrated lights create a unique glowing matrix, enhancing visibility and personal style, especially at night.
- Calidad de sonido superior: Features an industry-first 0.5mm high-amplitude, 1.4g ultra-small speaker and dual processor for deep bass, clear mid-high frequencies, and immersive 3D sound.
- Diseño ergonómico de oído abierto: Lightweight (7.5g per ear) and made with soft liquid silicone for a comfortable, stress-free fit that allows ambient sounds to be heard.
- ENC Noise-Cancelling Calls: Ensures clear voice calls by effectively cutting out external noise, ideal for telework and online meetings.
- Bluetooth 5.4 & Multi-point Connectivity: Provides stable, power-efficient connection and allows simultaneous pairing with two devices (e.g., smartphone and PC).
- Batería de larga duración y carga rápida: Up to 36 hours of continuous use with the charging case, with rapid charging capability.
- Experiencia personalizable: Dedicated ACEFAST APP allows personalization of light color, rhythm, sound modes, and touch controls.
Configuración
1. Carga de los auriculares y el estuche
Before first use, fully charge the earphones and the charging case. Place the earphones into the charging case. Connect the provided Type-C charging cable to the charging case and a power source. The LED display on the case will indicate the charging status.

Figure 2: Charging and Battery Display
- Duración de la batería del auricular: Hasta 8 horas con una sola carga.
- Reproducción total con estuche: Hasta 30 horas.
- Carga rápida: 5 minutes of charging provides up to 2 hours of playback.
2. Emparejamiento con su dispositivo
- Abre el estuche de carga. Los auriculares entrarán automáticamente en modo de emparejamiento.
- En su dispositivo (teléfono inteligente, tableta, PC), vaya a la configuración de Bluetooth y active Bluetooth.
- Buscar available devices and select "ACEFIT Pro" from the list.
- Una vez conectado, escuchará un tono de confirmación y los auriculares estarán listos para usar.

Figure 3: Multi-point Connectivity
3. Cómo usar los auriculares
The ACEFIT Pro features an ear-hook design for a secure and comfortable fit. Gently place the ear-hook over your ear, ensuring the speaker grille is positioned directly above your ear canal for optimal sound quality. The flexible titanium wire allows for slight adjustments to fit various ear shapes.

Figure 4: Flexible Ear-Hook Design for Optimal Fit
Instrucciones de funcionamiento
Controles táctiles
The ACEFIT Pro earphones feature intuitive touch controls on each earbud. Refer to the table below for common functions:
| Acción | Función |
|---|---|
| Un solo toque | Reproducir/Pausar música, Responder/Finalizar llamada |
| Doble toque (auricular izquierdo) | Pista anterior |
| Doble toque (auricular derecho) | Pista siguiente |
| Triple toque (auricular izquierdo) | Bajar volumen |
| Triple toque (auricular derecho) | Subir volumen |
| Pulsación larga (2 segundos) | Reject Call, Activate Voice Assistant (Siri, Google Assistant) |
| Quadruple Tap (Either Earbud) | Turn LED light ON/OFF |
ACEFAST APP Customization
Download the dedicated "ACEFAST APP" from the Android Store or App Store to unlock full customization options for your earphones.

Figure 5: ACEFAST App Interface
- Modos de sonido: Switch between various sound modes (e.g., Original, Vocal Enhancement, Live, Custom EQ, Bass Boost) to suit your preference.
- LED Light Customization: Change the color and rhythm of the LED ambient breathing light.
- Configuración de ecualizador: Ajuste la configuración del ecualizador para obtener un audio personalizado.
- Configuración de control táctil: Customize touch functions.
- Comprobación del nivel de batería: Monitor the battery status of your earphones and case.

Figure 6: LED Light Control via App and Touch
Mantenimiento
To ensure the longevity and optimal performance of your ACEFAST ACEFIT Pro earphones, follow these maintenance guidelines:
- Limpieza: Regularly wipe the earphones and charging case with a soft, dry, lint-free cloth. Do not use abrasive cleaners, alcohol, or chemical solvents.
- Almacenamiento: Cuando no los uses, guarda los auriculares en su estuche de carga para protegerlos del polvo y daños. Guárdalos en un lugar fresco y seco, alejados de la luz solar directa y temperaturas extremas.
- Resistencia al agua: The earphones are waterproof (IPX rating not specified, but generally means splash-proof). Avoid submerging them in water or exposing them to heavy rain. Dry them thoroughly if they get wet.
- Puerto de carga: Mantenga el puerto de carga Tipo-C limpio y libre de residuos.
- Evite el impacto: Do not drop or subject the earphones to strong impacts, as this can damage internal components.
Solución de problemas
If you encounter issues with your ACEFAST ACEFIT Pro earphones, try the following solutions:
| Problema | Posible solución |
|---|---|
| Los auriculares no se encienden. | Ensure the earphones are charged. Place them in the charging case and check the battery indicator. |
| No se puede emparejar con el dispositivo. | Make sure Bluetooth is enabled on your device. Ensure earphones are in pairing mode (open case). Try forgetting the device in your Bluetooth settings and re-pairing. Move closer to your device. |
| No hay sonido o volumen bajo. | Check the volume level on both the earphones and your connected device. Ensure the earphones are properly seated in your ears. Try adjusting the position of the speaker grille above your ear canal. |
| El sonido se corta o es inestable. | Move closer to your connected device. Avoid environments with strong Wi-Fi or other wireless interference. Ensure no physical obstructions between earphones and device. |
| El micrófono no funciona durante las llamadas. | Ensure the earphones are selected as the audio input device on your phone/PC. Check for any mute functions activated on your device or the earphones. |
| Las luces LED no funcionan. | Check the ACEFAST APP for light settings. Try quadrupling tapping either earbud to toggle the lights. Ensure earphones are charged. |
| Earphones uncomfortable or don't fit well. | Gently adjust the flexible ear-hook to conform to your ear shape. Ensure the speaker grille is aligned with your ear canal. |
If the problem persists after trying these steps, please contact ACEFAST customer support for further assistance.
Presupuesto
| Característica | Especificación |
|---|---|
| Nombre del modelo | ACEFIT Pro FA001 |
| Tecnología de conectividad | Bluetooth 5.4, ACEFAST EDR Enhanced Connection Technology |
| Control de ruido | Noise Isolation (ENC for calls) |
| Respuesta de frecuencia | 2000 kHz |
| Sensibilidad | 90 dB |
| Impedancia | 8 ohmios |
| Colocación de orejas | Over-Ear (Ear-hook) |
| Peso del producto | 54.8 grams (Total), 7.5g per earbud |
| Tiempo de uso continuo | 36 horas (con estuche de carga) |
| Tiempo de carga | 2 horas |
| Nivel de resistencia al agua | Waterproof (Splash-proof) |
| Material | Silicone, ABS, PC, Nickel-Titanium Shape Memory Wire |
| Componentes incluidos | Instruction Manual, Type-C Cable, Earphone Unit, Wireless Charging Case |
Garantía y soporte
ACEFAST products are designed and manufactured to the highest quality standards. For warranty information and customer support, please refer to the official ACEFAST websitio o los datos de contacto proporcionados en el embalaje de su producto.
For technical assistance, troubleshooting not covered in this manual, or warranty claims, please contact ACEFAST customer service directly. Keep your purchase receipt as proof of purchase for warranty purposes.





