1. Introduzione
Thank you for choosing the Monster Open Ear AC339 Earbuds. These earbuds are designed to provide a comfortable listening experience with high-fidelity audio, intuitive touch controls, and robust water resistance. This manual will guide you through the setup, operation, and maintenance of your new earbuds.
Prodotto finitoview
The Monster Open Ear AC339 Earbuds feature an open-ear clip design for comfort and situational awareness. They offer clear, immersive sound and are equipped with Bluetooth 5.4 for stable connectivity. With IPX6 water resistance, they are suitable for various activities, including workouts and outdoor use.

Each earbud weighs approximately 5.2 grams, ensuring a lightweight and comfortable fit.

The earbuds are engineered for excellent sound quality, delivering rich bass, clear vocals, and pristine highs.

The new open-ear design ensures a secure and comfortable fit, preventing them from easily falling off during use.
2. Impostazione
Cosa c'è nella scatola
- Monster Open Ear AC339 Earbuds
- Custodia di ricarica
- Cavo di ricarica USB-C
- Manuale d'uso
Ricarica degli auricolari e della custodia
Before first use, fully charge the earbuds and charging case. Place the earbuds into the charging case, then connect the USB-C charging cable to the case and a power source. The digital display on the case will indicate the battery level. A full charge provides up to 40 hours of total playback time with the charging case, and the earbuds support two-hour fast charging.

The charging case provides extended battery life, offering up to 40 hours of total listening time.
Indossare gli auricolari
To ensure optimal sound and comfort, correctly position the earbuds:
- Identificare gli auricolari sinistro (L) e destro (R).
- Gently place the earbud onto your ear, ensuring the open-ear clip design sits securely around your earlobe.
- Rotate the earbud slightly to achieve a comfortable and stable fit. The sound outlet should be positioned near your ear canal without entering it directly.

Properly wear the earbuds by placing them on your ears and rotating for a secure and comfortable fit.
Accoppiamento Bluetooth
Per collegare gli auricolari a un dispositivo:
- Assicurarsi che gli auricolari siano carichi e inseriti nella custodia di ricarica.
- Open the charging case. The earbuds will automatically enter pairing mode, indicated by a flashing light (if applicable, refer to LED indicator section for details).
- Sul tuo dispositivo (smartphone, tablet, ecc.), vai alle impostazioni Bluetooth e attiva il Bluetooth.
- Cercare dispositivi disponibili e seleziona "Monster Open Ear AC339" dall'elenco.
- Una volta connessi, gli auricolari indicheranno l'avvenuta associazione (ad esempio, tramite un messaggio vocale o una luce fissa).

Connect your earbuds by selecting "Monster Open Ear AC339" in your device's Bluetooth settings.
3. Istruzioni per l'uso
Controlli touch
The Monster Open Ear AC339 Earbuds feature sensitive binaural touch controls. The following actions can be performed by tapping or holding the touch area on either earbud:
| Azione | Funzione |
|---|---|
| Click x 2 (Left or Right) | Rispondi/Termina chiamata, Riproduci/Metti in pausa la musica |
| Hold x 2s (Left or Right) | Rifiuta chiamata, attiva assistente vocale |
| Clicca x 3 (sinistra) | Canzone precedente |
| Clicca x 1 (sinistra) | Abbassa il volume |
| Clicca x 3 (a destra) | Prossima canzone |
| Clicca x 1 (a destra) | Alza il volume |

Refer to this diagram for a visual guide to the touch control functions.
Condivisione audio
The earbuds support audio sharing, allowing two users to enjoy the same audio content simultaneously from a single device. Ensure both earbuds are connected to the same device and properly worn.

Enjoy shared audio experiences with another person using the audio sharing feature.
4. Manutenzione
Pulizia
Per mantenere prestazioni e igiene ottimali:
- Pulisci regolarmente gli auricolari e la custodia di ricarica con un panno morbido, asciutto e privo di lanugine.
- Non utilizzare detergenti abrasivi, solventi o spray aerosol.
- Prima di riporre gli auricolari nella custodia, assicurarsi che i contatti di ricarica siano puliti e asciutti.
Resistenza all'acqua
The Monster Open Ear AC339 Earbuds are IPX6 water-resistant. This means they can withstand strong jets of water from any direction, making them suitable for workouts and light rain. However, they are not designed for submersion in water. Do not swim or shower with the earbuds, and ensure they are dry before placing them back in the charging case.

The IPX6 rating protects your earbuds from sweat and light rain, but they should not be submerged.
Magazzinaggio
Quando non li usi, riponi gli auricolari nella custodia di ricarica per proteggerli da polvere e danni e mantenerli carichi.
5. Risoluzione Dei Problemi
If you encounter any issues with your Monster Open Ear AC339 Earbuds, please refer to the following common solutions:
| Problema | Possibile soluzione |
|---|---|
| Gli auricolari non si accoppiano |
|
| Nessun suono da uno o entrambi gli auricolari |
|
| Problemi di ricarica |
|
| I controlli touch non rispondono |
|
6. Specifiche
| Caratteristica | Dettaglio |
|---|---|
| Marca | Mostro |
| Nome del modello | AC339 (Wireless Headset) |
| Numero di modello | E98 |
| Tecnologia di connettività | Bluetooth 5.4 |
| Posizionamento dell'orecchio | Orecchio aperto |
| Fattore di forma | Orecchio aperto |
| Resistenza all'acqua | Grado di protezione IPX6 |
| Durata della batteria | Fino a 40 ore (con custodia di ricarica) |
| Peso degli auricolari | 5.2 g (ciascuno) |
7. Garanzia e supporto
Informazioni sulla garanzia
The Monster Open Ear AC339 Earbuds come with a 1-year manufacturer's warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims.
Assistenza clienti
For any inquiries, technical assistance, or warranty claims, please contact Monster customer service. You can typically find contact information on the official Monster website or through your retailer's support channels. Our professional customer service team is ready to assist you.