Introduction
The SANOTO S710 Swimming Headphones are designed for active users, offering IPX8 waterproof protection, Bluetooth 5.4 connectivity, and an integrated 8GB MP3 player. These headphones utilize in-ear bone conduction technology for clear audio during various activities, including swimming, running, surfing, and cycling. This manual provides essential information for the proper use and maintenance of your device.
What's in the Box
- SANOTO S710 Swimming Headphones x 1
- Magnetic Charging Cable x 2
- Adjustable Elastic Straps x 1
- Replacement Ear Tips x 10
- User Manual x 1
Setup
1. Charging the Headphones
Before first use, fully charge the headphones. Connect the magnetic charging cable to the charging port on the headphones and the other end to a USB power adapter (not included) or a computer USB port. The charging indicator light will show the charging status. A full charge typically takes approximately 2 hours.

Figure 1: Connecting the magnetic charging cable to the headphones.
2. Wearing the Headphones
Place the ear hooks over your ears, ensuring the in-ear tips are comfortably seated in your ear canals. The flexible design allows for a secure fit. The adjustable elastic strap can be used for added stability during intense activities. Ensure a snug fit to prevent water entry during swimming.

Figure 2: Proper wearing of the headphones with swimming gear.
3. Bluetooth Pairing
- Ensure the headphones are powered off.
- Press and hold the Multi-Function Button (MFB) until the indicator light flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "SANOTO S710" from the list of devices.
- Once connected, the indicator light will flash blue slowly.
4. Transferring MP3 Files
The headphones feature an 8GB internal memory for MP3 playback. To transfer music:
- Connect the headphones to your computer using the magnetic charging cable.
- The headphones will appear as a removable disk drive on your computer.
- Drag and drop your MP3, FLAC, WMA, WAV, or APE audio files into the headphone's storage folder.
- Safely eject the device from your computer before disconnecting the cable.

Figure 3: Illustrates the process of transferring music files to the internal 8GB memory.
Operating Instructions
1. Power On/Off
- Power On: Press and hold the MFB for 3 seconds until the indicator light flashes blue.
- Power Off: Press and hold the MFB for 5 seconds until the indicator light flashes red and then turns off.
2. Mode Switching (Bluetooth / MP3)
Double-click the MFB to switch between Bluetooth mode and MP3 player mode. An audible prompt will indicate the current mode.
3. Music Playback
- Play/Pause: Press the MFB once.
- Next Track: Press and hold the '+' button.
- Previous Track: Press and hold the '-' button.
- Volume Up: Press the '+' button once.
- Volume Down: Press the '-' button once.

Figure 4: Headphone control buttons and their functions.
4. Call Functions (Bluetooth Mode)
- Answer/End Call: Press the MFB once.
- Reject Call: Press and hold the MFB for 2 seconds.
- Redial Last Number: Double-click the MFB.
5. Swimming Mode Specifics
When swimming or submerged in water, it is recommended to switch to MP3 mode. Bluetooth signals do not transmit effectively underwater. Ensure your phone's Bluetooth is turned off to prevent connection attempts while swimming.

Figure 5: SANOTO S710 headphones in use during swimming. Remember to use MP3 mode underwater.
Maintenance
1. Cleaning
After each use, especially after swimming, rinse the headphones with clean fresh water to remove chlorine, salt, or sweat. Wipe them dry with a soft, clean cloth. Do not use abrasive cleaners or solvents.
2. Storage
Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. Avoid placing heavy objects on them. Keep the charging contacts clean and dry.
3. Water Exposure Guidelines
The headphones are IPX8 waterproof, meaning they can be submerged up to 10 meters for more than 2 hours. However, prolonged exposure to saltwater or chlorinated water without rinsing may affect their lifespan. Always ensure the charging port is dry before charging.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones fully. |
| No sound. | Volume too low; not connected via Bluetooth; no music files in MP3 mode. | Increase volume; re-pair Bluetooth; transfer music files to internal memory. |
| Cannot pair via Bluetooth. | Headphones not in pairing mode; device Bluetooth off; too far from device. | Ensure headphones are in pairing mode (flashing blue/red); enable Bluetooth on device; move closer to device. |
| Music cuts out underwater. | Using Bluetooth mode underwater. | Switch to MP3 mode for underwater use. Bluetooth signals do not transmit through water. |
| Cannot transfer files to MP3 player. | Improper connection; corrupted files. | Ensure secure connection to computer; try different USB port/cable; verify file formats (MP3, FLAC, WMA, WAV, APE). |
Specifications
| Feature | Detail |
|---|---|
| Model Number | S710 |
| Water Resistance Level | IPX8 (Submersible up to 10 meters for over 2 hours) |
| Bluetooth Version | 5.4 |
| Bluetooth Range | Up to 10 meters (33 feet) |
| Internal Memory | 8GB (stores approximately 1500 lossless songs) |
| Supported Audio Formats | MP3, FLAC, WMA, WAV, APE |
| MP3 Playback Time | Up to 12 hours |
| Bluetooth Playback Time | Up to 8 hours |
| Charging Time | Approximately 2 hours |
| Ear Placement | In Ear |
| Audio Driver Type | Bone Conduction Driver |
| Material | Acrylonitrile Butadiene Styrene (ABS), Silicone |
Official Product Video
Video 1: Official product video demonstrating the SANOTO S710 Swimming Headphones in various activities like swimming, hiking, and wakeboarding. It highlights the IP68 waterproof rating, comfortable fit, and sound quality.
Warranty and Support
Warranty Information
The SANOTO S710 Swimming Headphones come with a 1-year warranty for replacement or refund. This warranty covers manufacturing defects and issues arising from normal use. It does not cover damage caused by misuse, accidents, or unauthorized modifications.
Claiming Warranty
To claim warranty service, please contact the seller directly through your order message system. Provide your order details and a clear description of the issue. The seller will guide you through the replacement or refund process.
Customer Support
For any questions, technical assistance, or support regarding your SANOTO S710 headphones, please refer to the contact information provided with your purchase or reach out to the seller via the platform where the product was purchased. Please have your model number (S710) and purchase date ready when contacting support.