Introduction
Thank you for choosing the POLVCDG IPX8 Waterproof Bone Conduction Headphones. These innovative open-ear headphones are designed to provide high-quality audio while maintaining environmental awareness, making them ideal for various activities including swimming, running, cycling, and daily use. Featuring IPX8 waterproof rating, 32GB built-in memory for MP3 mode, and a comfortable, lightweight design, these headphones offer a versatile and safe listening experience.
What's in the Box

Image: The product box opened, displaying the POLVCDG bone conduction headphones, instruction manual, silicone adjustable rope, charging cable, and earplugs.
- Bone Conduction Headphones x1
- Instruction Manual x1
- Silicone Adjustable Rope x1
- Charging Cable x1
- Earplugs x2
Key Features
- Open-Ear Safety & Comfort: Enjoy 360° environmental awareness while running or cycling with the design of open-ear headphones that keep your ear canals unobstructed. The flexible titanium frame, coated with skin-friendly material, adapts to any head shape. Weighing only 32 grams, these headphones provide a fatigue-free fit during any activity.

Image: A cyclist wearing the POLVCDG headphones, highlighting the secure and open-ear fit that allows awareness of surroundings.
- IPX8 Waterproof for Any Environment: Our bone conduction swimming headphones are rated IPX8 waterproof. It can be submerged in water up to two meters deep for one hour. Enjoy swimming and engaging in other underwater activities while listening to your favorite songs. Experience music anytime, anywhere. (Please note: Bluetooth signals cannot be transmitted underwater, so please use the MP3 mode of these waterproof headphones).

Image: A swimmer wearing the headphones underwater, illustrating the IPX8 waterproof capability. A note reminds users to switch to MP3 mode for underwater use.
- Clear Calls & Superior Audio Experience: Our bone conduction headphones with mic are equipped with Environmental Noise Cancellation technology, delivering crystal-clear audio during calls, even in noisy environments. The 16mm drivers provide rich, high-fidelity sound, whether you are listening to music or taking a call. Enhance your communication and audio enjoyment wherever you go.

Image: An exploded view of the headphone's audio components, highlighting the advanced digital audio enhancement technology for superior sound and call clarity.
- Wireless & MP3 Dual Modes: Our wireless bone conduction headset offers both Wireless Mode and MP3 Mode. With 32GB of built-in storage, you can store over 8,000 songs for phone-free listening, allowing you to enjoy music without needing your phone. Whether you're running, cycling, or simply relaxing, you can easily switch between modes for a seamless listening experience.

Image: Illustration of the dual playback modes, showing the headphones in a wireless (Bluetooth) setting and an underwater (MP3) setting, emphasizing the 32GB internal storage.
- 10 Hour Battery Life & Fast Charging: These lightweight running headphones provide an impressive battery life, allowing you to enjoy up to 10 hours of music, calls, and podcasts on a single charge. With fast charging capabilities, you can quickly recharge the bone conduction earbuds, ensuring you are always ready for your next activity.

Image: A close-up of the headphones, highlighting the magnetic charging interface, which contributes to fast charging.
Setup Guide
1. Initial Charging
Before first use, fully charge your headphones. Connect the magnetic charging cable to the charging port on the headphones and the USB end to a power adapter (not included) or a computer USB port. The LED indicator will show charging status and turn off when fully charged.
2. Powering On/Off
- Power On: Press and hold the Power/Mode button for 3 seconds until the LED indicator flashes.
- Power Off: Press and hold the Power/Mode button for 3 seconds until the LED indicator turns off.
3. Bluetooth Pairing
To connect your headphones to a Bluetooth-enabled device:
- Ensure the headphones are powered off.
- Press and hold the Power/Mode button for 5-7 seconds until the LED indicator flashes red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, computer), enable Bluetooth and search for "POLVCDG BDAMX-7FXH" (or similar name).
- Select the headphones from the list of available devices to connect. Once connected, the LED indicator will turn solid blue.
Operating Instructions
Button Functions
| Button/Action | Function |
|---|---|
| Power/Mode Button (Long Press) | Power On/Off |
| Power/Mode Button (Short Press) | Switch between Bluetooth Mode and MP3 Mode |
| Volume + Button (Short Press) | Increase Volume |
| Volume - Button (Short Press) | Decrease Volume |
| Volume + Button (Long Press) | Next Track |
| Volume - Button (Long Press) | Previous Track |
| Multi-function Button (Play/Pause) (Short Press) | Play/Pause Music, Answer/End Call |
| Multi-function Button (Play/Pause) (Long Press) | Reject Call, Activate Voice Assistant |
Switching Modes
The headphones support two playback modes: Bluetooth Mode and MP3 Mode.
- Bluetooth Mode: For wireless connection to your smartphone or other Bluetooth devices. Ideal for land-based activities.
- MP3 Mode: Utilizes the built-in 32GB memory. Essential for underwater activities as Bluetooth signals do not transmit through water.
- To switch between modes, short press the Power/Mode button. A voice prompt will indicate the current mode.
Uploading Music to MP3 Mode
To add music to the 32GB internal storage:
- Connect the headphones to your computer using the provided charging cable.
- The headphones will appear as a removable disk drive on your computer.
- Drag and drop your desired audio files (e.g., MP3, WAV) into the headphone's storage folder.
- Safely eject the device from your computer before disconnecting the cable.
Wearing Instructions
Place the headphones with the transducers resting on your cheekbones, just in front of your ears. The band should wrap around the back of your head. Adjust for a comfortable and secure fit. For swimming, ensure the earplugs are inserted to enhance sound quality and prevent water from entering the ear canal.
Maintenance
- Cleaning: After use, especially after swimming or heavy sweating, wipe the headphones with a soft, damp cloth. Ensure the charging contacts are clean and dry before charging.
- Drying: If used in water, gently shake off excess water and allow the headphones to air dry completely before storing or charging. Do not use external heat sources to dry.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Charging: Use only the provided magnetic charging cable. Avoid using damaged cables or chargers.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are fully charged. Press and hold the Power/Mode button for 3 seconds. |
| Cannot pair via Bluetooth. |
|
| No sound or low volume. |
|
| Bluetooth signal loss underwater. | This is normal. Bluetooth signals do not transmit through water. Switch to MP3 mode for underwater listening. |
| Headphones not recognized by computer. | Try a different USB port or cable. Ensure the headphones are powered on when connecting to the computer. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | BDAMX-7FXH |
| Brand | POLVCDG |
| Connectivity Technology | Wireless (Bluetooth) |
| Wireless Communication Technology | Bluetooth 5.4 |
| Water Resistance Level | IPX8 (Submergible up to 2 meters for 1 hour) |
| Internal Storage | 32GB (stores over 8,000 songs) |
| Battery Life | Up to 10 hours |
| Charging | Magnetic Fast Charging |
| Noise Control | Environmental Noise Cancellation (ENC) for calls |
| Item Weight | Approx. 32 grams |
| Product Dimensions | 5.27 x 2.32 x 6.1 inches |
| Material | Plastic, Rubber (with flexible titanium frame) |
| Ear Placement | Open Ear |
Warranty and Support
POLVCDG products are designed for durability and performance. For any warranty claims, technical support, or product inquiries, please contact POLVCDG customer service through the retailer where you purchased the product or visit the official POLVCDG brand store on Amazon:
Visit the POLVCDG Store on Amazon
Please retain your proof of purchase for warranty service.





