1. Introduction
Thank you for choosing the CYBORIS SM608 Waterproof Bluetooth 5.0 MP3 Swimming Headphones. This manual provides detailed instructions for the proper setup, operation, maintenance, and troubleshooting of your device. Please read this manual carefully before use to ensure optimal performance and longevity of your headphones.

Image 1.1: The CYBORIS SM608 headphones are designed for aquatic and sports activities.
2. Product Overview
2.1 Key Features
- IPX8 Waterproof Rating: Designed for use in water, preventing water infiltration during swimming, sauna, or steam room activities.
- 16GB Built-in Memory: Allows for direct storage and playback of music files, eliminating the need for a connected phone during exercise.
- Bluetooth 5.0 Connectivity: Provides a stable and fast wireless connection for high-quality audio streaming.
- MP3 Player Mode: Enables music playback from the internal memory, essential for underwater use where Bluetooth signals cannot transmit.
- HiFi Stereo Sound: Features a 10mm nano-composite film for dynamic range and 6D bass effect, with noise reduction for clear audio.
- Ergonomic Design: Liquid silicone ear hooks ensure a secure and comfortable fit for extended wear during physical activity.
- Automatic Storage Memory Wire: Flexible design for easy storage and portability.

Image 2.1: The headphones support both MP3 playback from internal 16GB memory and wireless Bluetooth connectivity.

Image 2.2: An exploded view illustrating the components that contribute to the HiFi sound quality of the headphones.
3. Setup
3.1 Charging the Headphones
Before initial use, fully charge the headphones. Connect the included Micro USB cable to the charging port on the headphones and to a USB power source (e.g., computer USB port or a USB wall adapter). The charging indicator light will show the charging status.
- Charging Time: Approximately 1.5-2 hours for a full charge.
- Battery Life: Up to 18 hours of playback on a full charge (actual time may vary based on volume and usage).

Image 3.1: The headphones offer extended playback time on a single charge.
3.2 Transferring Music Files (MP3 Mode)
The headphones have 16GB of built-in memory for MP3 playback. To transfer music:
- Connect the headphones to your computer using the Micro USB cable.
- The headphones will appear as a removable disk drive.
- Drag and drop your desired audio files (MP3, WMV, WAV, FLAC, APE formats supported) into the headphone's storage. You can create folders to organize your music.
- Safely eject the device from your computer before disconnecting the cable.
Note: The SM608 headphones do not support MacOS for music management. Please use a Windows-based computer for transferring files.

Image 3.2: Organize your music files into folders for easy navigation.
4. Operating Instructions
4.1 Power On/Off
- Power On: Press and hold the Power/Function button for approximately 3-5 seconds until you hear a power-on prompt.
- Power Off: Press and hold the Power/Function button for approximately 3-5 seconds until you hear a power-off prompt.
4.2 Bluetooth Mode
Bluetooth mode is suitable for land-based activities where a wireless connection to your phone or other Bluetooth device is desired.
- Pairing:
- Ensure the headphones are powered off.
- Press and hold the Power/Function button for about 5-7 seconds until the indicator light flashes blue and red, indicating pairing mode.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for "SM608" or "CYBORIS SM608" in the list of available devices.
- Select the headphones to connect. Once connected, the indicator light will flash blue slowly.
- Playback Control:
- Play/Pause: Short press the Power/Function button.
- Next Track: Long press the Volume + button.
- Previous Track: Long press the Volume - button.
- Volume Up: Short press the Volume + button.
- Volume Down: Short press the Volume - button.
- Call Management:
- Answer/End Call: Short press the Power/Function button.
- Reject Call: Long press the Power/Function button.

Image 4.1: The Bluetooth 5.0 chip ensures a reliable and high-quality wireless audio experience.
4.3 MP3 Player Mode (for Underwater Use)
Important: Bluetooth signals cannot transmit effectively underwater. Always switch to MP3 mode before swimming or submerging the headphones.
- Switching to MP3 Mode:
- To activate MP3 mode, first power on the device by holding the Power/Function button for approximately 5 seconds until you hear "POWER on".
- Immediately after hearing "POWER on", quickly double-click the Volume + button. The music stored on the device should begin playing.
- Playback Control (MP3 Mode):
- Play/Pause: Short press the Power/Function button.
- Next Track: Long press the Volume + button.
- Previous Track: Long press the Volume - button.
- Volume Up: Short press the Volume + button.
- Volume Down: Short press the Volume - button.

Image 4.2: The IPX8 waterproof rating allows for immersive music experiences while swimming.

Image 4.3: The ergonomic design with liquid silicone ear hooks ensures comfortable and stable wear during various sports.

Image 4.4: The headphones are suitable for various land-based activities like running and cycling.
5. Maintenance
- Cleaning: After use, especially after swimming, rinse the headphones with clean fresh water to remove chlorine or salt residue. Wipe them dry with a soft cloth.
- Storage: Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures. The memory wire design allows for compact storage.
- Charging Port: Ensure the charging port is dry before connecting the charging cable to prevent damage.
- Ear Tips: Regularly check and clean the ear tips to maintain hygiene and sound quality. Replace if damaged.

Image 5.1: The memory wire allows for easy and automatic storage, making the headphones convenient to carry.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones fully. |
| Cannot connect via Bluetooth. | Headphones not in pairing mode; device Bluetooth off; too far from device. | Ensure headphones are in pairing mode (flashing blue/red). Turn on Bluetooth on your device. Move closer to your device (within 10 meters). |
| No sound in MP3 mode. | No music files loaded; incorrect file format; volume too low; MP3 mode not activated correctly. | Transfer supported audio files (MP3/WMV/WAV/FLAC/APE) to the headphones. Increase volume. Ensure MP3 mode is activated by powering on and quickly double-clicking Volume +. |
| Bluetooth disconnects underwater. | Bluetooth signals cannot transmit through water. | This is normal. Switch to MP3 mode before entering water. |
| Cannot manage music files on MacOS. | The headphones are not compatible with MacOS for file transfer. | Use a Windows-based computer to transfer music files. |
| Charging is difficult or unstable. | Magnetic connection misalignment; dirty charging contacts. | Ensure the magnetic charging cable is correctly aligned and securely attached. Clean the charging contacts on both the cable and headphones. |
| Low volume or poor sound quality. | Ear tips not sealed properly; volume too low; dirty ear tips. | Adjust ear tips for a snug fit. Increase volume. Clean ear tips. |
7. Specifications
| Feature | Detail |
|---|---|
| Brand | CYBORIS |
| Model Number | SM608 |
| Color | Black |
| Headphone Type | In-Ear |
| Connectivity Technology | Wireless (Bluetooth 5.0) |
| Waterproof Rating | IPX8 |
| Built-in Memory | 16 GB |
| Supported Audio Formats | MP3, WMV, WAV, FLAC, APE |
| Compatible Devices | Windows (for file transfer) |
| Battery Composition | Lithium-ion |
| Battery Life | Up to 18 hours (playback) |
| Charging Interface | Micro USB |
| Item Weight | 25 Grams |
| Special Features | Bluetooth 5.0 wireless, 16GB built-in memory, noise reduction, ergonomic design. |
8. Warranty and Support
Information regarding specific warranty terms is not provided in the product details. For warranty claims, technical support, or any questions not covered in this manual, please contact the seller or manufacturer directly through your purchase platform.
Note: Some user reviews indicate potential issues with product durability, especially when used for swimming. Please ensure proper maintenance and follow all instructions to maximize product lifespan. If you encounter any issues, contact customer service promptly.

