Introduction
Thank you for choosing the CelsusSound S800C Bone Conduction Headphones. These open-ear headphones are designed to provide a comfortable and secure listening experience, especially during physical activities, while keeping you aware of your surroundings. Featuring IPX7 waterproofing and Bluetooth 5.3 connectivity, the S800C offers reliable performance and sound quality.
What's in the Box
Upon unboxing your CelsusSound S800C headphones, please verify that all components are present:
- Bone Conduction Headphones (S800C)
- Magnetic Charger Cable
- User Manual

Image: The retail box contents, including the S800C headphones, magnetic charging cable, and user manual.

Image: A visual representation of the package contents, highlighting the headphones, charging cable, and manual.
Product Overview
The CelsusSound S800C headphones feature a lightweight, flexible titanium alloy frame designed for comfort and durability. The open-ear design ensures situational awareness, while bone conduction technology delivers sound directly to your inner ear.
Key Features:
- Bone Conduction Technology: Transmits sound through cheekbones, bypassing the eardrum.
- Open-Ear Design: Allows you to hear your surroundings.
- IPX7 Waterproof: Resistant to sweat and water immersion.
- Bluetooth 5.3: Stable and efficient wireless connection.
- Magnetic Charging: Convenient and secure charging port.
- Flexible Titanium Alloy Frame: Durable and comfortable for extended wear.

Image: Explains how bone conduction works and highlights the open-ear design.

Image: Details the advanced design features including Bluetooth 5.3, magnetic charging, and user-friendly buttons.
Setup
1. Charging the Headphones
Before first use, fully charge your S800C headphones. Connect the magnetic charging cable to the charging port on the headphones and plug the USB end into a compatible power source (e.g., computer USB port, USB wall adapter). The indicator light will show charging status.

Image: Illustrates the magnetic fast charging feature of the headphones.
2. Powering On/Off
- To Power On: Long press the 'on/off' button for 3-5 seconds until the indicator light flashes.
- To Power Off: Long press the 'on/off' button for 3-5 seconds until the indicator light turns off.
3. Bluetooth Pairing
After powering on, the headphones will automatically enter Bluetooth pairing mode. Follow these steps to connect:
- Ensure Bluetooth is enabled on your device (smartphone, tablet, etc.).
- Search for available devices in your device's Bluetooth settings.
- Select "S800C" from the list to connect.
- Once connected, the headphones will indicate successful pairing.
Operating Instructions
The S800C headphones feature intuitive controls for music playback and calls.

Image: Detailed view of the control buttons and their corresponding actions.
Music Playback
- Play/Pause: Click the 'on/off' button once.
- Volume Up: Click the '+' button once.
- Volume Down: Click the '-' button once.
- Next Song: Long press the '+' button for 2 seconds.
- Previous Song: Long press the '-' button for 2 seconds.
Call Control
- Answer/End Call: Double click the 'on/off' button.
- Reject Call: Long press the 'on/off' button for 2 seconds.
Instructional Video
Video: Demonstrates unboxing, 360° folding, power on, Bluetooth pairing, music playback controls (volume, next/previous song), and magnetic charging for the S800C headphones.
Maintenance
To ensure the longevity and optimal performance of your CelsusSound S800C headphones, follow these maintenance guidelines:
- Cleaning: Wipe the headphones with a soft, damp cloth. Avoid harsh chemicals or abrasive materials.
- Water Resistance: The headphones are IPX7 waterproof, meaning they can withstand immersion in up to 1 meter of water for 30 minutes. However, they are not designed for prolonged underwater use or exposure to high-pressure water jets. Ensure the charging port is dry before charging.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Flexibility: The titanium alloy frame is flexible. While durable, avoid excessive twisting or bending beyond its natural range to prevent damage.

Image: Highlights the IPX7 waterproof feature of the headphones.

Image: Shows the flexible design of the headphones for comfortable wear and storage.
Troubleshooting
If you encounter issues with your S800C headphones, refer to the following common solutions:
| Problem | Possible Solution |
|---|---|
| Headphones won't power on | Ensure the headphones are fully charged. Long press the power button for 3-5 seconds. |
| Cannot pair with device | Ensure headphones are in pairing mode (indicator light flashing). Turn off and on Bluetooth on your device. Forget previous pairings and try again. Ensure headphones are within 10 meters of your device. |
| No sound or low volume | Check volume levels on both headphones and your connected device. Ensure headphones are properly positioned on your cheekbones. Re-pair the headphones. |
| Charging issue | Ensure the magnetic charging cable is securely connected to both the headphones and the power source. Try a different USB port or power adapter. Ensure the charging port on the headphones is clean and dry. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | S800C |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 10 Meters |
| Water Resistance Level | IPX7 Waterproof |
| Battery Life | 8-10 Hours (continuous music/calls) |
| Battery Capacity | 230mAh |
| Charging Type | Magnetic Fast Charging |
| Material | Titanium Alloy |
| Ear Placement | Open Ear |
| Control Type | Media Control (Touch) |
| Item Weight | 0.11 Kilograms (approx. 3.84 ounces) |
| Recommended Uses | Calling, Running, Sports |
Warranty and Support
CelsusSound is committed to product quality. We thoroughly check each pair of S800C headphones to ensure correct functionality. If you encounter any issues during use, please contact our customer support team through your order details. Our team will provide assistance within 10 hours to ensure your satisfaction.