1. Introduction
Thank you for choosing the POLVCDG X16 Bone Conduction Swimming Earphones. These earphones are designed for active lifestyles, featuring IPX8 waterproofing, 32GB of internal memory for MP3 playback, and Bluetooth 5.4 connectivity. This manual will guide you through the setup, operation, and maintenance of your new earphones to ensure optimal performance and longevity.
2. Package Contents
Please check the box for the following items:
- POLVCDG X16 Bone Conduction Earphones
- USB Charging Cable
- User Manual
3. Product Overview
Familiarize yourself with the buttons and indicators on your POLVCDG X16 earphones:
- Power Button: Multi-function button for power, play/pause, call control, and mode switching.
- Volume + / Next Song Button: Controls volume up and skips to the next track.
- Volume - / Previous Song Button: Controls volume down and skips to the previous track.
- Indicator Light / Status Light: Displays power, pairing, and charging status.
- Charging Port: Magnetic port for charging and data transfer.
Watch a quick overview of the earphone's key features and functions:
Video demonstrating basic operations and button functions of the POLVCDG X16 earphones.
4. Specifications
| Attribute | Value |
|---|---|
| Item Condition | New |
| Material | Metal, PVC, ABS, Plastic, TPU, Silica Gel |
| Width | 100mm |
| Depth | 127mm |
| Weight | 35g |
| Height | 50mm |
| Battery Capacity | 170mAh |
| Battery Life | Up to 10 hours |
| Voice Assistant Built-in | Yes |
| Maximum Wireless Range | <10m |
| NFC Technology | Yes |
| Sound Isolating | No |
| Category | Earphones & Headphones |
| Earcups Type | Semi-open |
| Number Of Drivers | 2 |
| Charging Method | Cable |
| Headphone Pads Material | Silicone |
| Magnet Type | Other |
| Driver Diameter | 40mm |
| Impedance Range | Up to 32 Ω |
| Bluetooth Version | 5.4 |
| Package List | User Manual, USB Type-C Adapter (Charging Cable) |
| Features | Waterproof, With microphone, Amazon Alexa Support, Apple Siri Support, Dual Connection, Playback Control, Google Assistant Support |
| With Microphone | Yes |
| Support APP | Yes |
| Waterproof Rating | IPX8 |
| Frequency Response Range | 20 - 20000 Hz |
| Sensitivity | 45 dB |
| Plug Type | None |
| Function | For Video Game, Common Headphone, For Mobile Phone, HiFi Headphone, Sport, For Office, For Study, For Swimming |
| Active Noise-Cancellation | Yes |
| Volume Control | Yes |
| Control Button | Yes |
| Vocalism Principle | Bone Conduction |
| Wireless Type | Bluetooth |
| Connectors | Balanced Connection |
| Communication | Wireless |
| Style | Bone Conduction Headphones |
| Certification | CE, FCC, RoHS |
| Origin | Mainland China |
| Internal Memory | 32GB |
5. Setup
5.1 Charging
- For first-time use, fully charge the headset.
- Connect the USB charging cable to the magnetic charging port on the earphones.
- The charging indicator light will display red during charging.
- The earphones will be fully charged in approximately 2 hours, at which point the blue light will be continuously on.
5.2 Power On/Off
- Power On: Long press the Power button for 3 seconds. The red and blue indicator lights will flash alternately.
- Power Off: Long press the Power button for 3 seconds. The red indicator light will be on for 1 second before turning off.
5.3 Pairing (Bluetooth Mode)
- Ensure the earphones are powered off.
- Long press the Power button for 3-5 seconds until the indicator light enters a state of flashing red and blue alternately. This indicates pairing mode.
- On your smartphone, tablet, or computer, enable Bluetooth and search for available devices.
- Select "POLVCDG X16" from the list to connect. Once connected, the indicator light will show a steady blue light (or stop flashing).
- Automatic Pairing: Once paired, the earphones will automatically connect to the last paired device (within 10 meters) when powered on.
6. Operation
6.1 Music Playback
- Pause/Play: Short press the Power button once.
- Next Song: Long press the Volume + button for 2 seconds.
- Previous Song: Long press the Volume - button for 2 seconds.
- Volume Increase: Short press the Volume + button.
- Volume Decrease: Short press the Volume - button.
6.2 Call Operations
- Answer/Hang Up a Call: Single click the Power button.
- Reject a Call: Long press the Power button for 2 seconds.
6.3 AI Intelligent Voice Control
- When in Bluetooth connection status, long press the Volume + button to wake up your device's voice assistant (e.g., Siri, Google Assistant, Amazon Alexa).
- Precaution: Your mobile phone needs to support the voice wake-up function for this feature to work.
6.4 Bluetooth/MP3 Switching
- Double-click the Power button to freely switch between Bluetooth mode and MP3 (TF card) mode.
- Reminder: The device automatically defaults to Bluetooth mode when powered on.
6.5 MP3 Mode (Internal Memory)
- Transferring Files: Connect the headset to your computer using the magnetic data cable. You can access the headset's U disk (drive named "POLVCDG X16") to transfer audio files (MP3, WAV, WMA, APE, FLAC, AAC, M4A).
- Switching Playback Mode: In TF card mode (when playing songs):
- Double-click the Power button to switch between sequential playback mode.
- Triple-click the Power button to switch between random playback mode (with memory function).
The POLVCDG X16 is designed for various activities, including swimming, cycling, and hiking, ensuring a stable and comfortable fit.
Stable and comfortable for various sports activities.
Designed for use in water, including swimming.
7. Maintenance
7.1 Water Exposure
- Do not soak the magnetic charging port with fresh water for long periods.
- After use, especially in chlorinated or salt water, rinse the charging magnetic components with clean fresh water.
7.2 Cleaning
- After each use, please wipe any water from the surface of the headset, paying special attention to the magnetic charging port.
- Clean promptly to prevent corrosion of the charging port by sweat and salt water, which can affect the service life of the product.
7.3 Storage
- Keep the product away from fire, extreme heat sources, freezing temperatures, and chemical substances.
- Avoid strong impacts, unauthorized disassembly, and extrusion of the product.
7.4 Long-term Storage
- If you do not use the earphones for a long time, charge them at least once a month to maintain battery health.
8. Troubleshooting
- Cannot Pair: Ensure the headset is in pairing mode (red and blue lights flashing alternately). Check that your device's Bluetooth is on and within 10 meters.
- No Sound/Low Volume:
- Check volume levels on both the headset and the connected device.
- Ensure the headset is properly positioned for bone conduction.
- Note that bone conduction headphones may have different volume characteristics than traditional headphones.
- Sound quality may improve underwater.
- Cannot Transfer Music to PC:
- Ensure the magnetic data cable is securely connected.
- Check if the "POLVCDG X16" drive appears on your computer.
- Try a different USB port or computer.
- Short Battery Life:
- Ensure the headset is fully charged (approximately 2 hours).
- High volume usage can reduce battery life.
- If issues persist, refer to the full user manual PDF for further assistance.
- Voice Assistant Not Responding: Ensure your mobile phone supports the voice wake-up function.
9. User Tips
- Underwater Performance: Many users find the sound quality to be better when submerged in water, making it ideal for swimming.
- Bass Enhancement: Adjust the equalizer settings on your connected phone to boost the bass for a richer sound experience.
- Privacy: Be aware that others nearby might hear your music if the volume is turned up high, as is common with bone conduction technology.
- Charging Habit: For consistent performance, consider charging the headphones after each use, especially after long sessions, to ensure they are always ready.
- Comfort: The silicone ear hook design provides a stable and comfortable fit, preventing them from falling off during exercise.
10. Important Warnings
- Charging Safety: Use charging heads with an output of 5V/1A or below. If the charging exceeds 5V/1A, it may cause the headset to heat up, potentially damaging the battery and the motherboard.
- Battery Disposal: Rechargeable batteries must be disposed of properly for recycling. Do not put the battery in fire to avoid explosion.
- Unauthorized Disassembly: Do not disassemble any part of the product without permission. If you find the product defective, stop using it immediately and contact the vendor for after-sales processing.
11. Warranty and Support
For detailed warranty information, service, and further technical support, please refer to the complete user manual PDF. You can access the PDF document for more comprehensive details regarding your product.
User Manual (PDF): View PDF