Introduction
The POLVCDG S10 Bone Conduction Swimming Earphones are designed for active individuals, offering a unique audio experience for swimming, cycling, running, and other sports. Featuring IPX8 deep waterproofing, 32GB of built-in memory, and Bluetooth 5.4 connectivity, these earphones provide clear sound and comfort without blocking your ears. The open-ear design ensures situational awareness, while ENC call noise reduction keeps your calls clear.

Setup
Package Contents
Before you begin, please ensure all items are present in the package:
- POLVCDG S10 Bone Conduction Earphones
- Outer cover
- Inner box
- Accessory box
- Magnetic charger
- User Manual (Trial manual + brand introduction)
- Adjustable elastic strip (fixed elastic strip)

Charging the Earphones
The S10 earphones feature magnetic fast charging. To charge:
- Connect the magnetic charger to the charging port on the earphones.
- Connect the other end of the charger to a USB power source.
- The LED display will show the charging status. A full charge takes approximately 2 hours.
A full charge provides up to 10 hours of music playback or 480 hours of standby time.

Wearing the Earphones
The S10 earphones are designed with an open hanging ear style for comfort and stability during sports activities.
- Place the ear hooks over your ears, ensuring the bone conduction transducers rest comfortably on your cheekbones, just in front of your ears.
- Adjust the elastic strip for a secure and snug fit. The design ensures stability even during intense movements like jumping or running.

Operating Instructions
Button Functions
The earphones feature multi-function control buttons for easy operation:

- Power On: Long press the Power button for 3 seconds. The red and blue lights will flash.
- Power Off: Long press the Power button for 3 seconds. The red light will be on for 1 second.
- Switch Wireless/MP3 Mode: Double click the Power button.
- Answer/Hang Up Call: Press the Power button once.
- Pause/Play Music: Press the Power button once.
- Volume Increase: Press the Volume + button.
- Volume Reduction: Short press the Volume - button.
- Next Track: Long press the Volume + button for 2 seconds.
- Previous Track: Long press the Volume - button for 2 seconds.
- TF Card Mode Playback Switch: In TF card mode (when playing songs), press the Power button three times to switch between random playback mode and sequential playback mode (with memory function).
Bluetooth Pairing
The S10 earphones utilize Bluetooth 5.4 for stable and fast connections.
- Ensure the earphones are powered on and in Bluetooth mode (double click power button if in MP3 mode).
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "POLVCDG S10" from the list to pair.
- Once paired, the earphones will connect automatically to the last paired device when powered on.
MP3 Mode (Internal Memory)
The earphones come with 32GB of built-in memory, allowing you to store music directly and listen without a connected device.
- To switch to MP3 mode, double click the Power button.
- To switch between random and sequential playback, press the Power button three times while in TF card mode.

Waterproof Usage
The S10 earphones are IPX8 rated for deep waterproofing, making them suitable for swimming.
- They can withstand immersion up to 2 meters for 2 hours, according to GB/T 4208-2017 standard.
- For optimal performance during swimming, it is recommended to use the built-in 32GB MP3 player mode, as Bluetooth signal can be affected by water.

Maintenance
- Cleaning: After use, especially after swimming or intense exercise, gently wipe the earphones with a soft, dry cloth. Ensure the charging contacts are clean and dry before charging.
- Storage: Store the earphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the earphones frequently. Charge them regularly, even if not in use for extended periods.
Troubleshooting
- Earphones not powering on: Ensure the earphones are fully charged. Long press the Power button for 3 seconds.
- Cannot pair via Bluetooth: Make sure the earphones are in Bluetooth mode (double click Power button) and within range of your device. Check if the earphones are already connected to another device.
- No sound or low volume: Check the volume levels on both the earphones and your connected device. Ensure the earphones are properly positioned on your cheekbones.
- Sound quality issues: For swimming, switch to MP3 mode as Bluetooth signal can be unstable underwater. Ensure the earphones are clean and free from debris.
- Cannot switch between random/sequential playback in TF card mode: Ensure you are in TF card mode and press the Power button three times quickly.
Specifications
| Feature | Specification |
|---|---|
| Model | S10 |
| Brand | POLVCDG |
| Vocalism Principle | Bone Conduction |
| Connectivity | Bluetooth 5.4 (Wireless) |
| Internal Memory | 32GB (Support Memory Card) |
| Waterproof Rating | IPX8 (Swimming Level) |
| Battery Capacity | 230mAh |
| Battery Life (Playback) | Up to 10 hours (8-10H @ 70% volume) |
| Battery Life (Standby) | Up to 480 hours |
| Charging Time | 2 hours (Magnetic Fast Charge) |
| Wireless Range | <10m |
| Frequency Response Range | 20 - 20000 Hz |
| Impedance Range | Up to 32 Ω |
| Features | Waterproof, With Microphone, Active Noise-Cancellation (ANC), Volume Control, Control Button, Support APP, NFC Technology |
| Material | Metal, PVC, ABS, Plastic, Glass, TPU, Silica Gel |
| Dimensions (Width x Depth x Height) | 100mm x 130mm x 45mm |
| Weight | 37g |
| Certification | CE, FCC, RoHS |

User Tips
- Optimal Fit: For the best bone conduction audio experience, ensure the transducers are placed firmly on your cheekbones. Adjust the fit to find your sweet spot.
- Swimming Mode: When swimming, always switch to MP3 mode to utilize the built-in 32GB memory. Bluetooth signals do not transmit effectively through water.
- Battery Monitoring: Keep an eye on the LED power display to know your battery level at a glance and avoid unexpected power loss during your activities.
Warranty and Support
For any warranty claims, technical support, or further inquiries, please contact the seller or manufacturer directly. Keep your proof of purchase for warranty validation.





