Introduction
Thank you for choosing the Atopskins WT-938 Bone Conduction Headphones. These headphones are designed for active lifestyles, offering an open-ear listening experience, IPX8 waterproofing, and a built-in 32GB MP3 player. This manual provides essential information for the safe and effective use of your device.

The Atopskins WT-938 headphones offer stable wear, call support, an open ear canal design, IPX8 waterproofing, a compact design, and fast charging capabilities.
Setup
1. Charging the Headphones
Before first use, fully charge your headphones. Connect the provided charging cable to the magnetic charging port on the headphones and a USB power source. The indicator light will show charging status.

The headphones come with a dedicated magnetic charging cable. Ensure proper connection for charging.
2. Power On/Off
- Power On: Long press the Main Button for 3 seconds.
- Power Off: Long press the Main Button for 3 seconds.
3. Bluetooth Pairing
- Ensure the headphones are powered on and in Bluetooth mode (default mode).
- On your device (phone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "PT Star" from the list of found devices to connect.
- A voice prompt will confirm successful pairing.

Pair your headphones by selecting "PT Star" in your device's Bluetooth settings.
4. MP3 Mode Activation
To use the built-in 32GB MP3 player, double-click the '-' Button to switch from Bluetooth mode to MP3 mode. This is particularly useful for underwater activities where Bluetooth transmission is not possible. Pre-load your music files onto the headphones' internal storage.

The IPX8 waterproof rating allows for use during swimming. Switch to MP3 mode for underwater listening as Bluetooth signals do not transmit through water.
Operating Instructions
Button Functions

Refer to this diagram for button locations and their corresponding functions.
| Button | Action | Function |
|---|---|---|
| Main Button | Long Press 3s | Power On / Shut Down |
| Long Press 2s | Voice Wake-Up | |
| Click | Answer call / Hang up / Play / Pause | |
| Double Click | Replay the Last Number | |
| + Button | Double Click | Switch Language (Chinese/English) |
| Long Press | Previous Song | |
| Click | Volume + | |
| - Button | Double Click | Switch MP3/ Bluetooth Mode |
| Long Press | Next Song | |
| Click | Volume - |
Wearing the Headphones
Position the bone conduction transducers on your cheekbones, just in front of your ears. The band should rest comfortably around the back of your head. This design allows you to hear ambient sounds while enjoying your audio, enhancing safety during outdoor activities.

Proper placement of the bone conduction transducers on the cheekbones ensures optimal sound transmission and comfort.
Waterproof Usage (IPX8)
The headphones are rated IPX8 waterproof, suitable for swimming and other water sports. However, Bluetooth signals do not transmit effectively underwater. For underwater listening, ensure your music is loaded onto the internal 32GB MP3 player and switch to MP3 mode before entering the water.

The headphones are fully waterproof, making them suitable for aquatic environments.
Maintenance
- Cleaning: Wipe the headphones with a soft, damp cloth after use, especially after exposure to sweat or water. Do not use abrasive cleaners or solvents.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Charging Port: Keep the magnetic charging contacts clean and dry to ensure proper charging.
- Battery Care: To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not in use for extended periods.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones fully. |
| Cannot pair via Bluetooth. | Bluetooth is off on device or headphones. Headphones are in MP3 mode. Device is too far. | Ensure Bluetooth is enabled on both devices. Double-click '-' button to switch to Bluetooth mode. Move devices closer. Restart both devices. |
| No sound. | Volume too low. Paused playback. Incorrect mode (MP3/Bluetooth). | Increase volume. Press Main Button to play. Ensure correct mode is selected. |
| Sound quality is poor. | Improper placement. Source audio quality. | Adjust headphone placement on cheekbones. Try different audio sources. |
| Headphones not charging. | Charging cable not connected properly. Dirty charging contacts. Faulty cable/adapter. | Ensure magnetic cable is securely attached. Clean charging contacts. Try a different USB port or adapter. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | WT-938 |
| Waterproof Level | IPX8 |
| Connectivity Technology | Wireless, Bluetooth |
| Wireless Communication Technology | Bluetooth |
| Built-in Storage | 32 GB (for MP3 playback) |
| Average Battery Life | 10 Hours |
| Battery Type | Lithium Polymer (1 included) |
| Material | Polyurethane (PU) or Thermoplastic Elastomer (TPE) or Silicone |
| Included Components | Charging Cable |
| Special Product Uses | Sport |
| Compatible Devices | Phone, Mobile Phone, Tablet, Computer, TV |
| Control Type | Media Control |
| Ear Placement | Open-ear (not covering ear) |

The headphones offer approximately 10 hours of use on a 2-hour charge.
Warranty Information
Atopskins products are covered by a limited warranty. Please refer to the warranty card included with your purchase or visit the official Atopskins website for detailed terms and conditions. This warranty typically covers manufacturing defects but does not cover damage caused by misuse, accidents, or unauthorized modifications.
Customer Support
For further assistance, technical support, or inquiries regarding your Atopskins WT-938 headphones, please contact our customer service team. You can find contact information on the official Atopskins website or through your retailer's support channels.