1. Introdución
Thank you for choosing the EuroFone S3 Plus Motorcycle Intercom with 2K HD Camera. This device is designed to enhance your riding experience by providing seamless communication, high-definition video recording, and entertainment features. Please read this manual carefully to understand the product's functions and ensure safe and optimal use.

Image 1.1: The EuroFone S3 Plus Intercom unit, showcasing its compact design and control dial.
2. Contido do paquete
Verifique que todos os elementos que se indican a continuación estean incluídos no seu paquete:
- 1 x EuroFone S3 Plus Bluetooth Host Unit
- 1 x cable de carga tipo C
- 2 x Helmet Clips (1 Screw Clip, 1 Velcro Clip)
- 1 x Stereo Headset
- 1 x manual de instrucións
- 2 x Microphones (1 Hard Mic for open-face helmets, 1 Soft Mic for full-face helmets)
3. Produto rematadoview
Familiarize yourself with the various parts and controls of your S3 Plus intercom unit.

Image 3.1: Detailed diagram of the S3 Plus unit with numbered components.
| Non. | Compoñente | Función |
|---|---|---|
| 1 | Lente da cámara | Captures 2K HD video footage. |
| 2 | Botón de intercomunicador | Activates and manages intercom communication. |
| 3 | Botón de gravación | Inicia e detén a gravación de vídeo. |
| 4 | Botón Wi-Fi | Activates Wi-Fi for app connection and file Transferir. |
| 5 | Disco rotativo | Adjusts volume, navigates menus, and controls music playback. |
| 6 | Botón multifunción | Manages phone calls, voice assistant, and other features. |
| 7 | Botón de encendido | Acende/apaga o dispositivo. |
| 8 | TF Card / Reset Button | Slot for microSD card; press and hold for reset. |
| 9 | Earphone Mic Jack | Connects the stereo headset and microphone. |
| 10 | Charging Port / K-Line Plug | Porto tipo C para carga e transferencia de datos. |
4. Configuración
4.1. Instalación do casco
The S3 Plus can be mounted on most helmets using either the screw clip or the Velcro clip.
- Choose Clip Type: Select the screw clip for a more permanent attachment or the Velcro clip for easier removal.
- Posicionamento: Attach the clip to the left side of your helmet, ensuring it is securely fastened and does not obstruct your vision or helmet functionality.
- Montaxe da unidade: Slide the S3 Plus host unit onto the installed clip until it clicks into place.

Image 4.1: The S3 Plus intercom unit securely attached to the side of a helmet.
4.2. Headset and Microphone Connection
Connect the stereo headset and microphone to the S3 Plus unit.
- Instalar altofalantes: Place the headset speakers inside the helmet's ear pockets, ensuring they are aligned with your ears for optimal sound.
- Seleccione micrófono: Choose the hard mic for open-face helmets or the soft mic for full-face helmets. Attach the microphone to the inside of the helmet near your mouth.
- Conectar á unidade: Plug the headset and microphone cable into the Earphone Mic Jack (9) on the S3 Plus unit.
4.3. Cargando o dispositivo
Before first use, fully charge the S3 Plus unit.
- Cable de conexión: Insert the Type-C charging cable into the Charging Port (10) on the S3 Plus unit.
- Fonte de enerxía: Conecta o outro extremo do cable a un adaptador de corrente USB (non incluído) ou ao porto USB dun ordenador.
- Indicador de carga: O indicador LED mostrará o estado de carga. Unha carga completa tarda aproximadamente 1.5 horas.
4.4. Acendido/apagado
- Encendido: Press and hold the Power Button (7) for approximately 3 seconds until the LED indicator lights up and you hear a voice prompt.
- Apagado: Press and hold the Power Button (7) for approximately 3 seconds until the LED indicator turns off and you hear a voice prompt.
5. Instrucións de funcionamento
5.1. Emparellamento Bluetooth
Pair your S3 Plus with your smartphone or other Bluetooth devices.
- Entrar no modo de emparellamento: With the S3 Plus powered off, press and hold the Power Button (7) for about 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- Activar Bluetooth: No teu smartphone ou dispositivo, activa o Bluetooth e busca os dispositivos dispoñibles.
- Seleccione o dispositivo: Select "EuroFone S3 Plus" from the list of found devices. If prompted, enter "0000" as the PIN.
- Confirmación: Once paired, the LED indicator will flash blue slowly, and you will hear a voice confirmation.

Image 5.1: Illustration of Bluetooth 5.1 connectivity and extended battery performance.
5.2. Función de intercomunicador
The S3 Plus supports both two-way and multi-person group intercom communication.
- Intercomunicador bidireccional: To initiate a direct intercom call with another S3 Plus unit, ensure both units are powered on and within range (up to 2000m in open terrain). Briefly press the Intercom Button (2) on one unit. The units will connect automatically.
- Group Intercom (Up to 6 Riders): The S3 Plus supports simultaneous communication for up to 6 riders. Follow the pairing instructions in the manual for multi-unit connection. The system features automatic reconnection, so if a rider goes out of range, they will automatically rejoin the conversation when back in range.

Image 5.2: Visual representation of up to 6 riders engaged in group intercom communication.
5.3. Funcionamento da cámara
Record your rides in 2K HD quality.
- Inserir tarxeta TF: Ensure a microSD (TF) card (Class 10 or higher, up to 128GB) is inserted into the TF Card slot (8) before recording.
- Iniciar/Deter a gravación: Briefly press the Record Button (3) to start recording. The LED indicator will change to confirm recording is active. Press again to stop recording.
- Gravación en bucle: The S3 Plus supports loop recording, automatically overwriting the oldest files cando a tarxeta de memoria estea chea.
- Wi-Fi App Connection: Press the Wi-Fi Button (4) to activate the unit's Wi-Fi. Connect your smartphone to the S3 Plus Wi-Fi network (details in the dedicated app manual). Use the companion app to view vivir footage, reprodución de gravacións e descarga files.

Image 5.3: Details on 2K video resolution (2560*1440) and the 135° wide-angle lens for comprehensive capture.
5.4. Music Playback and Sharing
Enjoy music from your paired smartphone and share it with another rider.
- Reproducir/Pausa: Briefly press the Multi-function Button (6) to play or pause music.
- Axuste de volume: Rotate the Rotary Dial (5) clockwise to increase volume, counter-clockwise to decrease volume.
- Seguimento / Seguimento anterior: Press the Rotary Dial (5) forward or backward to skip tracks.
- Compartir música: While music is playing, activate the music sharing function (refer to the full manual for specific button combinations) to share your audio with a connected intercom unit.

Image 5.4: Two riders enjoying shared music during their journey, illustrating the music sharing feature.
5.5. Radio FM
Tune into FM radio stations for news, weather, and entertainment.
- Activar a radio FM: Press and hold the Intercom Button (2) for approximately 2 seconds to turn on the FM radio.
- Scan Stations: Briefly press the Rotary Dial (5) forward or backward to scan for the next or previous available station.
- Desactivar a radio FM: Press and hold the Intercom Button (2) for approximately 2 seconds again to turn off the FM radio.

Image 5.5: A rider listening to FM radio, highlighting the integrated FM radio functionality.
5.6. Asistente de voz
Access your smartphone's voice assistant (e.g., Siri) hands-free.
- Activar o asistente de voz: Briefly press the Multi-function Button (6) twice to activate your paired smartphone's voice assistant.
- Indicacións de voz: The S3 Plus supports voice prompts in Japanese, English, and Chinese, which can be switched as needed.

Image 5.6: Visualizing the voice assistant feature, HIFI audio quality, and key device statistics like weight and battery life.
5.7. Chamadas telefónicas
Manage incoming and outgoing phone calls safely while riding.
- Responder chamada: When a call comes in, the S3 Plus will automatically answer after approximately 10 seconds, allowing for hands-free communication.
- Finalizar a chamada: Briefly press the Multi-function Button (6) to end an active call.
- Rexeitar a chamada: Press and hold the Multi-function Button (6) for 2 seconds to reject an incoming call.
- Volver a marcar o último número: Briefly press the Multi-function Button (6) twice to redial the last number.
6. Mantemento
Proper maintenance ensures the longevity and performance of your S3 Plus intercom.
- Limpeza: Use un suave, damp pano para limpar o exterior da unidade. Non empregue produtos químicos agresivos nin produtos de limpeza abrasivos.
- Exposición á auga: The S3 Plus is IP67 waterproof. While it can withstand rain, avoid prolonged submersion in water or exposure to heavy downpours. If wet, wipe dry immediately with a towel.
- Almacenamento: Garde o dispositivo nun lugar fresco e seco, lonxe da luz solar directa e de temperaturas extremas cando non o estea a usar.
- Coidado da batería: Para unha duración óptima da batería, evite descargala completamente con frecuencia. Cargue o dispositivo regularmente, mesmo se non o usa durante períodos prolongados.

Image 6.1: The S3 Plus unit demonstrating its IP67 waterproof and dustproof capabilities.
7 Solución de problemas
If you encounter issues with your S3 Plus, refer to the following common problems and solutions:
- O dispositivo non se acende: Ensure the battery is charged. Connect to a charger and try again. If unresponsive, try a factory reset by pressing the Reset Button (8) with a small pin.
- Non se pode emparellar co teléfono intelixente: Ensure the S3 Plus is in pairing mode (flashing red and blue). Turn off and on your phone's Bluetooth. Clear previous Bluetooth connections on both devices and try again.
- Problemas de conexión do intercomunicador: Ensure both intercom units are within range and fully charged. Re-initiate the intercom connection. Obstacles can reduce range.
- Poor Audio Quality (Intercom/Music): Check headset and microphone connections. Ensure speakers are correctly positioned in the helmet. The device features CVC8.0 and DSP dual noise cancellation for clear audio, but extreme wind noise can still affect quality.
- A gravación non funciona: Ensure a compatible microSD (TF) card is inserted and has sufficient free space. Format the card if necessary (refer to app instructions or connect to PC).
- Wi-Fi App Connection Failure: Ensure the S3 Plus Wi-Fi is activated. Check your smartphone's Wi-Fi settings to confirm connection to the device's network. Ensure the app is up-to-date.
8. Especificacións
Key technical specifications of the EuroFone S3 Plus intercom:
| Característica | Especificación |
|---|---|
| Nome do modelo | S3 Plus |
| Marca | EuroFone |
| Cor | Negro |
| Tecnoloxía de conectividade | Sen fíos (Bluetooth 5.1) |
| Versión Bluetooth | 5.1 |
| Rango de intercomunicador | Up to 2000 meters (1500-2000m between 2 units) |
| Intercomunicador de grupo | Up to 6 riders simultaneous talk |
| Resolución de vídeo | 2K HD (1440p) |
| Lente da cámara | 135° Wide Angle, 14mm Sony HD F2.0 |
| Gravación continua de vídeo | Ata 8 horas |
| Capacidade da batería | 2000 mAh |
| Tempo de conversa continua | Ata 45 horas |
| Tempo de reprodución de música | Ata 80 horas |
| Tempo de espera | Ata 1000 horas |
| Tempo de carga | Aprox. 1.5 horas (Tipo C) |
| Clasificación impermeable | IP67 |
| Cancelación de ruído | CVC8.0 & DSP Dual Noise Cancellation |
| Características especiais | FM Radio, Music Sharing, Voice Assistant (Siri compatible), Auto-Answer Calls, Loop Recording, WiFi App Support, GPS Guidance Compatibility |
| Dimensións do produto | 5.7 x 10.5 x 3.5 cm |
| Peso do produto | 0.45 kg |
9. Garantía e soporte
The EuroFone S3 Plus Motorcycle Intercom comes with a 1-year warranty, affirming its quality and reliability. If you have any questions, concerns, or require technical assistance, please do not hesitate to contact our support team. We aim to respond within 24 hours.
For support, please refer to the contact information provided with your purchase or visit the official EuroFone websitio.





