1. Overview
The Wantek BC3-WANTEK-B1 Bone Conduction Headphones are designed for versatile use across various activities, including swimming, running, cycling, and general daily use. These headphones feature an IP68 waterproof rating, allowing for full immersion in water up to 2 meters deep. Equipped with a built-in 32GB MP3 player, they enable music playback without a connected device, which is essential for underwater activities where Bluetooth signals are limited. The open-ear design ensures comfort and situational awareness, while Bluetooth 5.4 provides stable wireless connectivity for land-based use. A long-lasting battery offers up to 8 hours of continuous playback on a 2-hour charge.
2. Product Features
- IP68 Waterproof Rating: Fully submersible in water up to 2 meters deep, making them suitable for swimming, showering, and other water sports. They are also dustproof and sweat-resistant.
- Built-in 32GB MP3 Player: Store up to 6000 songs directly on the headphones, allowing for music playback without a smartphone, especially useful for swimming where Bluetooth is ineffective underwater.
- Open-Ear Bone Conduction Technology: Delivers sound through the cheekbones, leaving your ears open to perceive ambient sounds, enhancing safety during outdoor activities like running and cycling.
- Bluetooth 5.4 Connectivity: Features the latest Bluetooth chip for stable and fast connections, ideal for use out of water with compatible devices. Includes an integrated microphone for calls.
- Long Battery Life & Magnetic Charging: Provides up to 8 hours of continuous playback on a quick 2-hour magnetic charge.
- Adjustable Fit: Designed for lightweight and secure wear, with an adjustable band to ensure a comfortable fit for various head sizes.

Image: Wantek Bone Conduction Headphones highlighting key features like IP68 waterproof, 32GB memory, intelligent noise reduction, Bluetooth 5.4 chip, magnetic quick charge, and adjustable band.
3. What's in the Box
Upon unboxing your Wantek BC3-WANTEK-B1 headphones, you should find the following items:
- Wantek Bone Conduction Headphones (BC3-WANTEK-B1)
- Magnetic Charging Cable
- Adjustable Headband/Strap for secure fit
- User Manual
- Earplugs (for use in MP3 mode during swimming to enhance sound)
Video: An unboxing and overview of the headphones and included accessories, demonstrating how to attach the adjustable strap.
4. Setup
4.1 Charging the Headphones
Before first use, fully charge your headphones. Connect the magnetic charging cable to the charging port on the headphones and plug the other end into a USB power source. A full charge typically takes about 2 hours and provides up to 8 hours of playback.

Image: Illustration of the magnetic charging connection and the 200 mAh battery providing 8 hours of playback after a 2-hour charge.
4.2 Adjusting the Fit
The headphones come with an adjustable strap to ensure a snug and comfortable fit, especially during intense activities or for users with smaller head sizes. To adjust, thread the strap through the designated loops on the headphone band.
Video: Demonstration of how to attach and adjust the headband for a secure fit.
4.3 Bluetooth Pairing
To connect your headphones to a smartphone or other Bluetooth-enabled device:
- Power on the headphones by pressing and holding the power button for 3-5 seconds. The LED indicator will flash blue and red, indicating pairing mode.
- On your device, go to Bluetooth settings and ensure Bluetooth is enabled.
- Look for "BC3 Pro" or "Wantek BC3-WANTEK-B1" in the list of available devices and select it to pair.
- Once connected, the LED indicator will show a solid blue light.
Video: A user demonstrating the Bluetooth pairing process with a smartphone.
4.4 Transferring MP3 Files
To load music onto the built-in 32GB MP3 player:
- Connect the headphones to your computer using the magnetic charging cable. The computer should recognize the headphones as a removable storage device.
- Drag and drop your desired MP3 audio files into the headphone's storage folder.
- Safely eject the device from your computer once the transfer is complete.

Image: Visual representation of the 32GB MP3 storage capacity and the integrated Bluetooth 5.4 chip.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the power button for 3-5 seconds until the LED indicator lights up.
- Power Off: Press and hold the power button for 3-5 seconds until the LED indicator turns off.
5.2 Mode Switching (Bluetooth / MP3)
The headphones support both Bluetooth and MP3 modes. To switch between modes, double-click the power button.
- Bluetooth Mode: For wireless audio streaming and calls when out of water.
- MP3 Mode: For playing music from the internal 32GB memory, especially when swimming or in environments where Bluetooth connectivity is unstable.

Image: Visual explanation of switching between Bluetooth and MP3 modes by double-pressing the power button.
5.3 Music and Call Controls
The headphones feature integrated controls for easy management of music playback and calls:
- Play/Pause: Click the 'O' button once.
- Next Song: Long press the '+' button.
- Previous Song: Long press the '-' button.
- Volume Up: Click the '+' button once.
- Volume Down: Click the '-' button once.
- Answer/Hang Up Call: Click the 'O' button once.
- Refuse Call: Hold the 'O' button for 2 seconds.

Image: Detailed diagram illustrating the function of each control button on the headphones.
5.4 Usage Scenarios
These headphones are versatile for various activities:
- Swimming & Snorkeling: Use MP3 mode for uninterrupted music underwater. The IP68 rating ensures full protection.
- Running & Cycling: Open-ear design allows you to hear traffic and your surroundings, enhancing safety. Use Bluetooth mode for connected audio.
- Work & Daily Use: Enjoy music or take calls comfortably without blocking your ears, maintaining awareness of your environment.

Image: Various usage scenarios including running, driving, working, and surfing, demonstrating the versatility of the headphones.
Video: A demonstration of the headphones being used for various sports activities including basketball, badminton, and swimming.
6. Maintenance
- Cleaning: After use, especially after swimming or heavy sweating, rinse the headphones with fresh water and wipe them dry with a soft cloth. Do not use harsh chemicals or abrasive materials.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Charging Port: Ensure the magnetic charging contacts are clean and dry before charging to prevent corrosion.
7. Troubleshooting
- No Power: Ensure the headphones are fully charged. If not, connect them to the charger.
- Cannot Pair via Bluetooth: Make sure the headphones are in pairing mode (flashing blue/red). Check that Bluetooth is enabled on your device and that the headphones are within range. Try restarting both devices.
- No Sound: Check the volume level on both the headphones and your connected device. Ensure the correct mode (Bluetooth or MP3) is selected. If in MP3 mode, verify that music files are properly loaded.
- Poor Sound Quality Underwater: Ensure you are in MP3 mode. For optimal sound, use the included earplugs to block out water noise.
- Headphones Not Recognized by Computer: Ensure the magnetic charging cable is securely connected. Try a different USB port or computer.
8. Specifications
| Feature | Specification |
|---|---|
| Model Name | BC3-WANTEK-B1 |
| Brand | Wantek |
| Connectivity Technology | Wireless (Bluetooth 5.4) |
| Water Resistance Level | IP68 (Submersible up to 2m) |
| Built-in Memory | 32GB (for MP3 playback) |
| Battery Life | Up to 8 hours |
| Charging Time | Approx. 2 hours |
| Control Type | Integrated Controls (Touch) |
| Material | Plastic |
| Weight | 220 grams |
| Form Factor | Open-ear |
| Impedance | 8 Ohm |
| Noise Control | Active Noise Cancellation |
9. Warranty and Support
Wantek products are backed by a manufacturer's warranty. For specific warranty details, including duration and coverage, please refer to the warranty card included in your product packaging or visit the official Wantek website. For technical support, troubleshooting assistance, or any product-related inquiries, please contact Wantek customer service through the channels provided in your user manual or on the official website.




