EuroFone S3 Plus

EuroFone S3 Plus Motorcycle Intercom with 2K HD Camera User Manual

Model: S3 Plus | Brand: EuroFone

1. Introduction

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.

EuroFone S3 Plus Motorcycle Intercom Unit

Image 1.1: The EuroFone S3 Plus Intercom unit, showcasing its compact design and control dial.

2. Package Contents

Please verify that all items listed below are included in your package:

  • 1 x EuroFone S3 Plus Bluetooth Host Unit
  • 1 x Type-C Charging Cable
  • 2 x Helmet Clips (1 Screw Clip, 1 Velcro Clip)
  • 1 x Stereo Headset
  • 1 x Instruction Manual
  • 2 x Microphones (1 Hard Mic for open-face helmets, 1 Soft Mic for full-face helmets)

3. Product Overview

Familiarize yourself with the various parts and controls of your S3 Plus intercom unit.

Diagram of EuroFone S3 Plus Intercom with labeled parts

Image 3.1: Detailed diagram of the S3 Plus unit with numbered components.

Component Identification
No.ComponentFunction
1Camera LensCaptures 2K HD video footage.
2Intercom ButtonActivates and manages intercom communication.
3Record ButtonStarts and stops video recording.
4Wi-Fi ButtonActivates Wi-Fi for app connection and file transfer.
5Rotary DialAdjusts volume, navigates menus, and controls music playback.
6Multi-function ButtonManages phone calls, voice assistant, and other features.
7Power ButtonPowers the device on/off.
8TF Card / Reset ButtonSlot for microSD card; press and hold for reset.
9Earphone Mic JackConnects the stereo headset and microphone.
10Charging Port / K-Line PlugType-C port for charging and data transfer.

4. Setup

4.1. Helmet Installation

The S3 Plus can be mounted on most helmets using either the screw clip or the Velcro clip.

  1. Choose Clip Type: Select the screw clip for a more permanent attachment or the Velcro clip for easier removal.
  2. Positioning: Attach the clip to the left side of your helmet, ensuring it is securely fastened and does not obstruct your vision or helmet functionality.
  3. Mounting the Unit: Slide the S3 Plus host unit onto the installed clip until it clicks into place.
EuroFone S3 Plus Intercom mounted on a motorcycle helmet

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.

  1. Install Speakers: Place the headset speakers inside the helmet's ear pockets, ensuring they are aligned with your ears for optimal sound.
  2. Select Microphone: 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.
  3. Connect to Unit: Plug the headset and microphone cable into the Earphone Mic Jack (9) on the S3 Plus unit.

4.3. Charging the Device

Before first use, fully charge the S3 Plus unit.

  1. Connect Cable: Insert the Type-C charging cable into the Charging Port (10) on the S3 Plus unit.
  2. Power Source: Connect the other end of the cable to a USB power adapter (not included) or a computer's USB port.
  3. Charging Indicator: The LED indicator will show charging status. A full charge takes approximately 1.5 hours.

4.4. Power On/Off

  • Power On: Press and hold the Power Button (7) for approximately 3 seconds until the LED indicator lights up and you hear a voice prompt.
  • Power Off: Press and hold the Power Button (7) for approximately 3 seconds until the LED indicator turns off and you hear a voice prompt.

5. Operating Instructions

5.1. Bluetooth Pairing

Pair your S3 Plus with your smartphone or other Bluetooth devices.

  1. Enter Pairing Mode: 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.
  2. Enable Bluetooth: On your smartphone or device, enable Bluetooth and search for available devices.
  3. Select Device: Select "EuroFone S3 Plus" from the list of found devices. If prompted, enter "0000" as the PIN.
  4. Confirmation: Once paired, the LED indicator will flash blue slowly, and you will hear a voice confirmation.
Bluetooth 5.1 stable connection and long battery life features

Image 5.1: Illustration of Bluetooth 5.1 connectivity and extended battery performance.

5.2. Intercom Function

The S3 Plus supports both two-way and multi-person group intercom communication.

  • Two-Way Intercom: 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.
Illustration of 6 riders communicating via intercom on motorcycles

Image 5.2: Visual representation of up to 6 riders engaged in group intercom communication.

5.3. Camera Operation

Record your rides in 2K HD quality.

  • Insert TF Card: Ensure a microSD (TF) card (Class 10 or higher, up to 128GB) is inserted into the TF Card slot (8) before recording.
  • Start/Stop Recording: Briefly press the Record Button (3) to start recording. The LED indicator will change to confirm recording is active. Press again to stop recording.
  • Loop Recording: The S3 Plus supports loop recording, automatically overwriting the oldest files when the memory card is full.
  • 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 live footage, playback recordings, and download files.
2K recording resolution and 135 degree wide angle lens details

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.

  • Play/Pause: Briefly press the Multi-function Button (6) to play or pause music.
  • Volume Adjustment: Rotate the Rotary Dial (5) clockwise to increase volume, counter-clockwise to decrease volume.
  • Next/Previous Track: Press the Rotary Dial (5) forward or backward to skip tracks.
  • Music Sharing: 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.
Two riders sharing music through their intercoms

Image 5.4: Two riders enjoying shared music during their journey, illustrating the music sharing feature.

5.5. FM Radio

Tune into FM radio stations for news, weather, and entertainment.

  • Activate FM Radio: 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.
  • Turn Off FM Radio: Press and hold the Intercom Button (2) for approximately 2 seconds again to turn off the FM radio.
Motorcycle rider listening to FM radio through helmet intercom

Image 5.5: A rider listening to FM radio, highlighting the integrated FM radio functionality.

5.6. Voice Assistant

Access your smartphone's voice assistant (e.g., Siri) hands-free.

  • Activate Voice Assistant: Briefly press the Multi-function Button (6) twice to activate your paired smartphone's voice assistant.
  • Voice Prompts: The S3 Plus supports voice prompts in Japanese, English, and Chinese, which can be switched as needed.
Voice assistant feature with HIFI audio and device statistics

Image 5.6: Visualizing the voice assistant feature, HIFI audio quality, and key device statistics like weight and battery life.

5.7. Phone Calls

Manage incoming and outgoing phone calls safely while riding.

  • Answer Call: When a call comes in, the S3 Plus will automatically answer after approximately 10 seconds, allowing for hands-free communication.
  • End Call: Briefly press the Multi-function Button (6) to end an active call.
  • Reject Call: Press and hold the Multi-function Button (6) for 2 seconds to reject an incoming call.
  • Redial Last Number: Briefly press the Multi-function Button (6) twice to redial the last number.

6. Maintenance

Proper maintenance ensures the longevity and performance of your S3 Plus intercom.

  • Cleaning: Use a soft, damp cloth to clean the exterior of the unit. Do not use harsh chemicals or abrasive cleaners.
  • Water Exposure: 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.
  • Storage: Store the device in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
  • Battery Care: For optimal battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods.
EuroFone S3 Plus Intercom being splashed with water, demonstrating IP67 waterproofing

Image 6.1: The S3 Plus unit demonstrating its IP67 waterproof and dustproof capabilities.

7. Troubleshooting

If you encounter issues with your S3 Plus, refer to the following common problems and solutions:

  • Device Not Powering On: 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.
  • Cannot Pair with Smartphone: 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.
  • Intercom Connection Issues: 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.
  • Recording Not Working: 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. Specifications

Key technical specifications of the EuroFone S3 Plus intercom:

FeatureSpecification
Model NameS3 Plus
BrandEuroFone
ColorBlack
Connectivity TechnologyWireless (Bluetooth 5.1)
Bluetooth Version5.1
Intercom RangeUp to 2000 meters (1500-2000m between 2 units)
Group IntercomUp to 6 riders simultaneous talk
Video Resolution2K HD (1440p)
Camera Lens135° Wide Angle, 14mm Sony HD F2.0
Continuous Video RecordingUp to 8 hours
Battery Capacity2000mAh
Continuous Talk TimeUp to 45 hours
Music Playback TimeUp to 80 hours
Standby TimeUp to 1000 hours
Charging TimeApprox. 1.5 hours (Type-C)
Waterproof RatingIP67
Noise CancellationCVC8.0 & DSP Dual Noise Cancellation
Special FeaturesFM Radio, Music Sharing, Voice Assistant (Siri compatible), Auto-Answer Calls, Loop Recording, WiFi App Support, GPS Guidance Compatibility
Product Dimensions5.7 x 10.5 x 3.5 cm
Product Weight0.45 kg

9. Warranty and Support

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 website.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.