1. Introducció
Thank you for choosing the MONODEAL S820 Swimming Headphones. These bone conduction headphones are designed for active lifestyles, offering IP68 waterproofing, Bluetooth 5.4 connectivity, and a built-in 32GB MP3 player. This manual provides essential information for setup, operation, and maintenance to ensure optimal performance and longevity of your device.
Informació important de seguretat:
- No intenteu desmuntar ni modificar els auriculars.
- Keep the charging port dry before charging to prevent damage.
- Eviteu exposar els auriculars a temperatures extremes.
- When swimming, always use MP3 mode as Bluetooth transmission is limited underwater.
2. Contingut del paquet
Si us plau, comproveu el paquet per veure si hi ha els elements següents:
- MONODEAL S820 Bone Conduction Headphones x 1
- Guia d'inici ràpid x 1
- Type-C Magnetic Charging Cable x 1
- Taps per a les orelles x 2
3. Producte acabatview
The MONODEAL S820 headphones feature an open-ear design for comfort and situational awareness. The main unit houses the controls and internal memory, while the bone conduction transducers rest comfortably near your ears.

Image: MONODEAL S820 Bone Conduction Swimming Headphones, showcasing el seu disseny impermeable.
Controls
The headphones feature intuitive buttons for power, volume, and mode switching. Refer to the Quick Start Guide for a detailed diagram of button functions.
4. Configuració
4.1 Càrrega dels auriculars
Before first use, fully charge the headphones. Connect the magnetic charging cable to the charging port on the headphones and plug the USB-A end into a standard USB power adapter (not included) or a computer USB port. The LED indicator will show charging status.

Image: Magnetic charging connection for the MONODEAL S820 headphones.
4.2 Encès/Apagat
- Encès: Premeu i manteniu premut el botó d'engegada fins que l'indicador LED s'encengui.
- Apagar: Premeu i manteniu premut el botó d'engegada fins que l'indicador LED s'apagui.
4.3 Vinculació Bluetooth
Per connectar els auriculars a un dispositiu amb Bluetooth:
- Assegureu-vos que els auriculars estiguin apagats.
- Premeu i manteniu premut el botó d'engegada fins que l'indicador LED parpellegi en blau i vermell, cosa que indica el mode d'emparellament.
- Al dispositiu (telèfon intel·ligent, tauleta, etc.), activeu el Bluetooth i cerqueu els dispositius disponibles.
- Select "MONODEAL S820" from the list. Once connected, the LED will flash blue periodically.

Image: MONODEAL S820 headphones displaying Bluetooth and MP3 modes, with a smartphone showing a successful Bluetooth connection.
4.4 MP3 Mode File Transferència
The headphones have 32GB of internal storage for MP3 files, ideal for use where Bluetooth is not available or restricted (e.g., underwater).
- Connecteu els auriculars a l'ordinador amb el cable de càrrega magnètic.
- Els auriculars apareixeran com una unitat de disc extraïble a l'ordinador.
- Drag and drop your desired MP3 audio files into the headphone's storage folder.
- Expulseu el dispositiu de l'ordinador de manera segura abans de desconnectar el cable.
Note: Ensure your audio files are in MP3 format for compatibility. Some streaming service files may be protected and cannot be transferred directly.
5. Instruccions de funcionament
5.1 Canvi entre els modes Bluetooth i MP3
Press the Mode button (refer to your Quick Start Guide for location) to switch between Bluetooth and MP3 playback modes. A voice prompt will indicate the current mode.
5.2 Reproducció de música
- Reproduir/pausa: Premeu el botó Reproduir/Pausa una vegada.
- Pista següent: Premeu i manteniu premut el botó de pujar el volum.
- Pista anterior: Manteniu premut el botó de baixar el volum.
- Pujar el volum: Premeu breument el botó de pujar el volum.
- Baixar el volum: Premeu breument el botó per baixar el volum.
5.3 Call Management (Bluetooth Mode Only)
- Respondre/Finalitzar la trucada: Premeu el botó Reproduir/Pausa una vegada.
- Rebutja la trucada: Mantén premut el botó Reproduir/Pausa.
- Assistent de veu: Double-press the Play/Pause button (if supported by your device).
6. Escenaris d'ús
6.1 Swimming and Water Sports
The IP68 waterproof rating allows for submersion up to 2 meters for 2 hours. For optimal performance underwater, switch to MP3 mode. Bluetooth signals do not transmit effectively through water.

Image: A swimmer wearing MONODEAL S820 headphones, demonstrating their use in water.
6.2 Running, Cycling, and Outdoor Activities
The open-ear design ensures you can hear your surroundings, enhancing safety during outdoor activities like running or cycling. The lightweight design (24g) provides comfort for extended wear.

Image: A cyclist wearing MONODEAL S820 headphones, highlighting the safety benefit of open-ear listening.
7. Manteniment
7.1 Neteja
Netegeu els auriculars amb un suau, damp cloth after each use, especially after swimming or intense workouts. Ensure the charging contacts are clean and dry.
7.2 Emmagatzematge
Guardeu els auriculars en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes. Eviteu col·locar-hi objectes pesats a sobre.
8. Solució De Problemes
- Els auriculars no s'encenen: Assegureu-vos que la bateria estigui carregada. Connecteu-la al carregador i torneu-ho a provar.
- No es pot emparellar per Bluetooth: Ensure headphones are in pairing mode (flashing blue/red). Check your device's Bluetooth settings and try reconnecting. Make sure no other devices are connected.
- No sound in MP3 mode: Verify that MP3 files have been successfully transferred to the internal memory. Ensure the volume is not at its minimum.
- Computer not recognizing headphones for file transferència: Try a different USB port or computer. Ensure the magnetic cable is securely connected. Some operating systems may require specific drivers, though typically not for mass storage devices.
- Problemes de qualitat del so: Ensure the bone conduction transducers are positioned correctly on your cheekbones. For swimming, ensure earplugs are used to enhance sound clarity.
- Autonomia curta de la bateria: Ensure the headphones are fully charged before use. Battery life can vary based on volume level and usage mode.
9. Especificacions
| Característica | Especificació |
|---|---|
| Model | S820 |
| Tecnologia de connectivitat | Sense fil (Bluetooth 5.4) |
| Nivell de resistència a l'aigua | Impermeable IP68 |
| Memòria interna | 32 GB (reproductor MP3) |
| Durada de la bateria | Up to 8 hours (continuous music) |
| Pes de l'article | 27 grams |
| Col·locació de l'orella | Orella oberta |
| Material | Plàstic |
| Interval de freqüència | 20 Hz - 20,000 Hz |
10. Garantia i Suport
MONODEAL products are designed for reliability and performance. For warranty information, please refer to the documentation included with your purchase or contact MONODEAL customer support through the retailer where the product was purchased.
If you encounter any issues or have questions not covered in this manual, please reach out to our customer support team for assistance.





