CelsusSound s800
CelsusSound Bone Conduction Headphones User Manual
Model: s800
Introduction
Thank you for choosing CelsusSound Bone Conduction Headphones. These open-ear headphones utilize advanced bone conduction technology to deliver audio through your cheekbones, allowing you to remain aware of your surroundings while enjoying your music or calls. Designed for comfort and durability, they are ideal for various activities including running, cycling, hiking, and daily use.

Image: Bone Conduction Technology - Sound is transmitted to the auditory nerve through the skull and jaw, providing an open-ear listening experience.
What's in the Box
Please check the package contents to ensure all items are present:
- 1 x CelsusSound Bone Conduction Headphones
- 1 x Magnetic Charging Cable
- 1 x User Manual (this document)

Image: Package contents showing the headphones, magnetic charging cable, and user manual.
Product Overview
Familiarize yourself with the headphone's components and controls:

Image: Control layout of the headphones, indicating buttons for Power ON/OFF, Voice Control, Volume Up/Down, Play/Pause Music, Previous/Next song, and Answer/Hang Up call.
- Power Button: Used for Power ON/OFF and Voice Control activation.
- Volume Up (+): Increases volume, also used for Play/Pause Music.
- Volume Down (-): Decreases volume, also used for Previous/Next song.
- Multi-function Button: Used for Answer/Hang Up calls.
- Magnetic Charging Port: For connecting the magnetic charging cable.
Setup
1. Charging the Headphones
Before first use, fully charge your headphones. A full charge takes approximately 1.5 hours.
- Connect the magnetic charging cable to the charging port on the headphones.
- Connect the USB end of the cable to a standard USB power adapter (not included) or a computer's USB port.
- The indicator light will show charging status (e.g., red for charging, blue for fully charged).

Image: Magnetic charging design, allowing for instant connection and charging.
2. Bluetooth Pairing
Pair your headphones with your Bluetooth-enabled device (smartphone, tablet, etc.).
- Ensure the headphones are turned off.
- Press and hold the Power button until the indicator light flashes red and blue, indicating pairing mode.
- On your device, enable Bluetooth and search for new devices.
- Select "CelsusSound s800" (or similar name) from the list of available devices.
- Once connected, the indicator light will turn solid blue, and you will hear a confirmation tone.
Operating Instructions
Power On/Off
- Power On: Press and hold the Power button for 3 seconds.
- Power Off: Press and hold the Power button for 5 seconds.
Music Playback
- Play/Pause: Short press the Volume Up (+) button.
- Next Song: Short press the Volume Down (-) button twice.
- Previous Song: Short press the Volume Down (-) button three times.
- Volume Up: Long press the Volume Up (+) button.
- Volume Down: Long press the Volume Down (-) button.
Call Management
- Answer Call: Short press the Multi-function button.
- End Call: Short press the Multi-function button during a call.
- Reject Call: Long press the Multi-function button for 2 seconds.
Voice Control
- Activate Voice Assistant: Short press the Power button.
Maintenance
Proper care will extend the life of your headphones.
- Cleaning: Wipe the headphones with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Water Resistance: The headphones are IPX7 water-resistant, meaning they can withstand rain, sweat, and brief immersion in water. However, they are not suitable for swimming. Ensure the charging port is dry before charging.

Image: IPX7 Waterproof and Sweatproof - The headphones are designed to withstand water exposure from activities like showering or intense workouts.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Durability: The titanium memory metal frame provides flexibility and durability. Avoid excessive bending or twisting beyond its natural range.

Image: Flexible and Durable design with durable titanium wire.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones won't turn on | Low battery | Charge the headphones fully. |
| Cannot pair with device | Headphones not in pairing mode / Device Bluetooth off / Too far from device | Ensure headphones are in pairing mode (flashing red/blue). Turn device Bluetooth on. Move headphones closer to device. |
| No sound or low volume | Volume too low / Not connected / Muffled sound (bone conduction characteristic) | Increase headphone and device volume. Re-pair headphones. Note that bone conduction sound can feel different from traditional in-ear headphones. |
| Charging issue (e.g., overheating) | Faulty cable/charger / Environmental factors | Use the original magnetic charging cable. Try a different USB power source. If overheating persists, discontinue use and contact customer support. |
Specifications
| Feature | Detail |
|---|---|
| Model Name | s800 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Audio Driver Type | Bone Conduction Driver |
| Battery Life | 8-10 Hours (playback) |
| Charging Time | 1.5 Hours |
| Water Resistance Level | IPX7 (Waterproof) |
| Item Weight | 1.28 ounces (approx. 36g) |
| Control Type | Media Control, Touch |
| Earpiece Shape | Open-ear |
| Frequency Range | 20 Hz - 20,000 Hz |
Warranty and Support
CelsusSound is committed to providing high-quality products and customer satisfaction. Your headphones come with a 12-month worry-free warranty from the date of purchase.
- Warranty Coverage: This warranty covers manufacturing defects and workmanship. It does not cover damage caused by misuse, accidents, unauthorized modifications, or normal wear and tear.
- Customer Service: For technical support, warranty claims, or any questions regarding your CelsusSound headphones, please contact our customer service team. We offer lifetime technical support and 24-hour customer service.
Please refer to the contact information provided on the product packaging or the seller's official website for the most up-to-date support channels.
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