1. Introduction
Thank you for choosing the SilisoundTek S800C Bone Conduction Headphones. These open-ear headphones utilize bone conduction technology to deliver audio through your cheekbones, allowing you to remain aware of your surroundings while enjoying music or calls. Designed for comfort and durability, they are ideal for sports and daily activities.

SilisoundTek S800C Bone Conduction Headphones in Deep Grey.
2. Package Contents
Please verify that all items are present in your package:
- SilisoundTek S800C Bone Conduction Headphones
- Magnetic Charging Cable
- User Manual

Contents of the SilisoundTek S800C headphone package.
3. Product Overview
Key Features
- Bone Conduction Technology: Delivers sound through vibrations, maintaining ambient awareness.
- IPX7 Waterproof Rating: Resistant to sweat and rain, suitable for various sports.
- Bluetooth 5.3: Ensures stable and efficient wireless connectivity.
- Long Battery Life: Up to 10 hours of continuous playback.
- Lightweight and Comfortable: Ergonomic design for extended wear without pressure.
Controls and Indicators

Control layout and magnetic charging port of the S800C headphones.
- Power Button (ⓔ): On/Off, Play/Pause, Answer/End Call.
- Volume Up (+): Increase volume, Next track (long press).
- Volume Down (-): Decrease volume, Previous track (long press).
- Magnetic Charge Port: For charging the device.
- Indicator Light: Displays power and pairing status.
4. Setup
4.1 Charging the Headphones
Before first use, fully charge the headphones. Connect the magnetic charging cable to the charging port on the headphones and plug the USB end into a power adapter (not included) or a computer's USB port.
- The indicator light will show red during charging.
- The indicator light will turn blue when fully charged.
- A full charge takes approximately 1.5 hours.

Magnetic charging interface for the S800C headphones.
4.2 Powering On/Off
- To Power On: Press and hold the Power button (ⓔ) for 3-5 seconds until the indicator light flashes blue.
- To Power Off: Press and hold the Power button (ⓔ) for 3-5 seconds until the indicator light flashes red and then turns off.
4.3 Bluetooth Pairing
The headphones automatically enter pairing mode when powered on for the first time or if no device is connected.
- Ensure the headphones are powered off.
- Press and hold the Power button (ⓔ) for 3-5 seconds. The indicator light will flash red and blue alternately, indicating pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth.
- Search for available Bluetooth devices and select "S800C".
- Once connected, the indicator light will flash blue slowly.
The headphones will automatically reconnect to the last paired device when powered on, if it is within range.
5. Operating Instructions
5.1 Music Playback
- Play/Pause: Press the Power button (ⓔ) once.
- Next Track: Press and hold the Volume Up (+) button.
- Previous Track: Press and hold the Volume Down (-) button.
5.2 Call Management
- Answer/End Call: Press the Power button (ⓔ) once.
- Reject Call: Press and hold the Power button (ⓔ) for 2 seconds.
- Activate Voice Assistant: Double-click the Power button (ⓔ).
5.3 Volume Control
- Increase Volume: Press the Volume Up (+) button once.
- Decrease Volume: Press the Volume Down (-) button once.
6. Maintenance
- Clean the headphones regularly with a soft, damp cloth. Do not use harsh chemicals or abrasive materials.
- Ensure the charging port is dry before charging to prevent damage.
- Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid dropping or subjecting the headphones to strong impacts.
7. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Headphones do not power on. | Ensure the headphones are charged. Connect to the charging cable and allow to charge for at least 10 minutes before attempting to power on again. |
| Cannot pair with device. | Ensure headphones are in pairing mode (flashing red and blue). Turn off and on your device's Bluetooth. Move headphones closer to the device. |
| No sound or low volume. | Check volume levels on both headphones and your connected device. Ensure headphones are properly positioned on your cheekbones. Reconnect Bluetooth. |
| Intermittent connection. | Ensure no obstacles are between the headphones and your device. Move closer to your device. Avoid environments with strong Wi-Fi or other Bluetooth interference. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | S800C |
| Brand | SilisoundTek |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Audio Driver Type | Bone Conduction Driver |
| Water Resistance Level | IPX7 Waterproof |
| Battery Life | Up to 10 Hours |
| Charging Time | Approx. 1.5 Hours |
| Control Method | Touch Buttons |
| Material | Plastic, Silicone |
| Item Weight | 0.11 Kilograms (3.84 ounces) |
| Ear Placement | Open Ear |
9. Safety Information
- Do not disassemble, repair, or modify the product. This may cause fire, electronic breakdown, or complete product damage.
- Keep the product away from extreme temperatures, humidity, and corrosive environments.
- Avoid listening at high volume levels for extended periods to prevent hearing damage.
- Use caution when using headphones in situations requiring awareness of your surroundings, such as driving or cycling.
- Keep out of reach of children and pets.
10. Warranty and Support
SilisoundTek products are covered by a standard manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please refer to the warranty card included with your purchase or visit the official SilisoundTek website. Please retain your proof of purchase for warranty claims.