1. Introducció
Thank you for choosing the Monster Open Ear AC210 OWS Wireless Bluetooth Earphones. These earphones are designed to provide a comfortable, high-quality audio experience with an open-ear design for situational awareness, making them ideal for outdoor activities and daily use. This manual will guide you through the setup, operation, and maintenance of your new earphones.

Monster AC210 OWS Fully Open Earphones with charging case, showing black and white color options.
2. Contingut del paquet
Si us plau, comproveu el contingut del paquet per assegurar-vos que hi hagi tots els elements:
- Headphones (Left and Right) x 2
- Charging Compartment x 1
- Caixa d'embalatge x 1
- Cable de càrrega USB x 1
- Manual d'instruccions x 1
- Targeta de garantia x 1
- Certificate of Conformity x 1

Inventory list image, showing all items included in the package.
3. Configuració
3.1 Càrrega dels auriculars i l'estoig
- Col·loqueu els auriculars a la caixa de càrrega.
- Connect the provided USB Type-C charging cable to the charging port on the case and a suitable power source.
- The indicator light on the charging case will show the charging status. A full charge for the case and earphones typically takes about 1 hour.
The earphones provide approximately 5 hours of music playback at 50% volume, and the charging case extends the total playback time to about 20 hours, allowing for 3 full charges of the earphones.

Earphones in charging case, illustrating battery life and charging.
3.2 Com posar-se els auriculars
The AC210 features an OWS (Open Wearable Stereo) fully open, ear-mounted design. This design ensures comfort and allows you to remain aware of your surroundings.
- Gently hook each earphone over your ear, ensuring the speaker part is positioned near your ear canal without directly entering it.
- Adjust for a secure and comfortable fit. The lightweight design (5.5 grams per ear) minimizes fatigue during prolonged wear.

The lightweight, fully open design of the Monster AC210 for comfort and outdoor safety.
3.3 Vinculació Bluetooth
The earphones utilize Bluetooth 5.4 for a fast and stable connection.
- Obre l'estoig de càrrega. Els auriculars entraran automàticament en mode d'emparellament.
- Al dispositiu (telèfon intel·ligent, tauleta, etc.), activeu el Bluetooth i cerqueu els dispositius disponibles.
- Select 'Monster AC210' from the list of devices.
- Once connected, you will hear an audible confirmation, and the indicator light on the earphones will change.

Directional sound transmission technology for optimal audio delivery.
4. Instruccions de funcionament
4.1 Touch Controls (MFB - Multifunction Key Touch Button)
The AC210 earphones feature intuitive touch controls for easy management of music and calls:
| Funció | Acció | Auricular |
|---|---|---|
| Pausa/Reproduir música | Feu doble clic | Esquerra o dreta |
| Puja el volum | Feu clic | D'acord |
| Baixa el volum | Feu clic | Esquerra |
| Cançó anterior | Toqueu dues vegades | Esquerra |
| Següent Cançó | Toqueu dues vegades | D'acord |
| Activa l'Assistent de veu | Manteniu premuda la tecla durant 2 segons | Esquerra o dreta |
| Rebutja la trucada | Manteniu premuda la tecla durant 2 segons | Esquerra o dreta |
| Respondre/Finalitzar la trucada | Toqueu dues vegades | Esquerra o dreta |

Detailed diagram of earphone touch controls.
4.2 Funcions d'àudio
- So panoràmic de 360°: Experience an immersive spatial stereo sound field, reducing sound resonance for a concert-like listening experience.
- Qualitat de so d'alta resolució: Equipped with an acoustic tuning system and a composite titanium metal diaphragm, along with OFC high-purity multi-track voice coils, for rich music details and abundant bass.
- Directional Transmission Technology: Sound is transmitted directly into the ear without leakage, ensuring privacy and allowing real-time perception of external sounds for safety.
- AI Intelligent Call Noise Reduction (ENC): Enhances call clarity by effectively suppressing environmental noise during conversations.

Illustration of the 360° panoramic sound effect and ear-mounted design.

Acabatview of core technologies including open design, comfort, Bluetooth 5.4, and noise reduction.
5. Manteniment
5.1 Neteja
- Netegeu els auriculars i l'estoig de càrrega amb un drap suau, sec i sense borrissol.
- No utilitzeu netejadors abrasius, alcohol ni esprais químics.
- Assegureu-vos que els contactes de càrrega estiguin nets i lliures de brutícia.
5.2 Resistència a l'aigua
The Monster AC210 earphones are rated IPX5 waterproof, meaning they are protected against low-pressure water jets from any direction. They are resistant to sweat and light rain, making them suitable for outdoor sports. However, they are not designed for submersion in water or use during swimming.

Monster AC210 earphone highlighting its IPX5 waterproof rating.
5.3 Emmagatzematge
Quan no els utilitzeu, guardeu els auriculars a la seva funda de càrrega per protegir-los de la pols i els danys, i per mantenir-los carregats.
6. Solució De Problemes
If you encounter any issues with your Monster AC210 earphones, please refer to the following common solutions:
- Sense so: Ensure earphones are charged, properly paired, and volume is adjusted on both the earphones and your device.
- Problemes d'aparellament: Turn off Bluetooth on your device, place earphones back in the case, then try pairing again. Ensure no other devices are trying to connect.
- Els auriculars no es carreguen: Check the USB-C cable and power adapter. Ensure the charging contacts on both the earphones and case are clean and dry.
- Connexió inestable: Ensure your device is within the 10m wireless range and there are no significant obstructions between the earphones and your device.
- L'assistent de veu no respon: Confirm your device's voice assistant is enabled and that you are performing the correct long-press action on the earphone.
7. Especificacions
| Característica | Especificació |
|---|---|
| Nom de marca | MONSTRE |
| Model | AC210 |
| Estil | OWS ear hook headphones, Semi-open |
| Comunicació | Sense fil (Bluetooth) |
| Versió Bluetooth | 5.4 |
| Connectors | Tipus C (per a la càrrega) |
| Amb micròfon | Sí |
| Característiques | With microphone, Call Noise Reduction |
| Principi de vocalisme | Dinàmic |
| Nombre de conductors | 2 |
| Interval de resposta de freqüència | 20 - 20000Hz |
| Interval d'impedància | fins a 32 Ω |
| Còdecs | AAC |
| Control de volum | Sí |
| Botó de control | Sí |
| Màxim abast sense fil | <10 m |
| Classificació impermeable | IPX5 |
| Mètode de càrrega | Estoig de càrrega |
| Durada de la bateria (auriculars) | Aprox. 5 hores (al 50% del volum) |
| Temps total de reproducció (amb estoig) | Aprox. 20 hores |
| Material | Plàstic, gel de sílice |
| Single Ear Weight | 5.5 g |
| Dimensions del paquet (L x W x H) | 15 cm x 13 cm x 6 cm |
| Pes del paquet | 160 g |
| Certificació | CE, FCC |
8. Consells d'usuari
- Ajust òptim: Experiment with the ear hook position to find the most comfortable and secure fit for your ear shape. A good fit enhances sound quality and stability.
- Consciència de la situació: The open-ear design is excellent for outdoor activities. Always be mindful of your surroundings, especially in traffic or busy environments.
- Gestió del volum: While the earphones offer clear sound, prolonged listening at high volumes can damage hearing. Use a moderate volume level.
- Neteja regular: Keep the earphones and charging case clean to ensure optimal performance and hygiene.
9. Preguntes freqüents (FAQ)
- Q: Are these earphones suitable for intense workouts?
- A: Yes, with an IPX5 waterproof rating, they are resistant to sweat and light rain, making them suitable for sports and outdoor activities.
- P: Com sé si els auriculars estan completament carregats?
- A: The charging case typically has indicator lights that show the charging status. Refer to the visual cues on your specific unit.
- P: Puc utilitzar només un auricular alhora?
- A: Yes, the earphones can often be used independently. Simply take one out of the case and connect it to your device.
- Q: What is the benefit of the 'Open Ear' design?
- A: The open-ear design allows you to hear ambient sounds while listening to audio, enhancing safety during outdoor activities and making them more comfortable for long-term wear as they don't block your ear canal.
10. Garantia i Suport
Your Monster AC210 earphones come with a standard manufacturer's warranty. Please refer to the included Warranty Card for specific terms and conditions. For technical support, troubleshooting assistance, or warranty claims, please contact the retailer or Monster customer service.





