Introduction
Thank you for choosing the CYBORIS SM-828 IPX7 Waterproof MP3 Bluetooth Headphones. This manual provides detailed instructions for the proper setup, operation, and maintenance of your device. Please read this manual carefully before use to ensure optimal performance and longevity of your headphones.
Product Overview
The CYBORIS SM-828 headphones are designed for active lifestyles, featuring IPX7 waterproofing, a built-in MP3 player, and Bluetooth connectivity. They offer high-fidelity audio and a comfortable, lightweight design.
Key Features:
- IPX7 Professional Waterproof: Designed to withstand sweat, splashes, and submersion, making them suitable for swimming and various sports.
- Dual Play Mode: Seamlessly switch between Bluetooth streaming and the integrated MP3 player.
- 16GB Built-in Memory: Store approximately 3000 songs directly on the headphones for phone-free listening.
- Bluetooth 5.0: Provides stable and efficient wireless connection with low power consumption.
- Hi-Fi Stereo Sound: Delivers high-fidelity audio with CVC6.0 noise reduction for clear sound and calls. Supports lossless audio formats like MP3, WMV, WAV, FLAC, APE.
- Built-in Microphone: Enables hands-free calling with high-definition voice quality.
- Long Battery Life: Up to 12 hours of playback on a single charge.
- Lightweight and Comfortable: Weighing only 20g, with liquid silicone ear hooks for a secure and comfortable fit during extended wear.
- Button Control: Easy access to music playback, volume, and call management.
- Voice Assistant Support: Activate your device's voice assistant (e.g., Siri) directly from the headphones.

Image: The headphones support two play modes: Bluetooth and MP3, with 16GB of built-in memory for music storage.

Image: The headphones are IPX7 professional waterproof, suitable for use during swimming and other water activities.
Setup
1. Charging the Headphones
Before first use, fully charge the headphones. Connect the provided USB Type-C cable to the charging port on the headphones and the other end to a USB power source (e.g., computer, wall adapter). The LED indicator will show charging status and turn off or change color when fully charged.
- Charging Time: Approximately 2 hours for a full charge.
- Battery Display: The headphones feature a battery display for real-time power monitoring.

Image: The headphones offer up to 12 hours of playback time on a full charge.
2. Loading Music (MP3 Mode)
To use the built-in MP3 player, you need to transfer audio files to the headphones' internal 16GB memory.
- Connect the headphones to your computer using the USB Type-C cable.
- The headphones will appear as a removable storage device on your computer.
- Drag and drop your desired MP3, WMV, WAV, FLAC, or APE audio files into the headphones' storage folder.
- Safely eject the device from your computer before disconnecting the cable.

Image: The headphones come with 16GB of built-in memory for storing music files.
3. Bluetooth Pairing
To connect the headphones to your smartphone or other Bluetooth-enabled device:
- Ensure the headphones are powered off.
- Press and hold the power button until the LED indicator flashes red and blue, indicating pairing mode.
- On your device, enable Bluetooth and search for available devices.
- Select "CYBORIS SM-828" (or similar name) from the list of found devices.
- Once connected, the LED indicator will typically show a steady blue light or flash blue slowly.

Image: The headphones utilize high-speed Bluetooth 5.0 technology for stable wireless connectivity.
Operating Instructions
1. Power On/Off
- Power On: Press and hold the power button for approximately 3 seconds until the LED indicator lights up.
- Power Off: Press and hold the power button for approximately 5 seconds until the LED indicator turns off.
2. Mode Switching (Bluetooth / MP3)
The headphones support two playback modes. Use the designated multifunction button to switch between them.
- Switch Mode: Briefly press the multifunction button (often the M button or a dedicated mode button) to toggle between Bluetooth mode and MP3 player mode.
3. Music Playback
- Play/Pause: Press the multifunction button once.
- Next Track: Press and hold the Volume Up button.
- Previous Track: Press and hold the Volume Down button.
- Volume Up: Short press the Volume Up button.
- Volume Down: Short press the Volume Down button.
4. Call Management
When connected via Bluetooth to a smartphone:
- Answer Call: Press the multifunction button once when an incoming call rings.
- End Call: Press the multifunction button once during a call.
- Reject Call: Press and hold the multifunction button for approximately 2 seconds during an incoming call.
5. Voice Assistant
To activate your device's voice assistant (e.g., Siri, Google Assistant), press the multifunction button twice quickly.
Maintenance
1. Water Resistance (IPX7)
The CYBORIS SM-828 headphones are rated IPX7, meaning they can be submerged in water up to 1 meter (3 feet) for up to 30 minutes. This makes them suitable for swimming, showering, and use in rainy conditions.
- Ensure the charging port cover is securely closed before exposing the headphones to water.
- After use in water, gently wipe the headphones dry with a soft cloth.
- Do not charge the headphones if the charging port or cable is wet.
- Avoid exposing the headphones to saltwater or chemicals, as this may damage the seals over time. Rinse with fresh water if exposed to such substances.

Image: The IPX7 rating ensures the headphones are protected against water immersion.
2. Cleaning
- Regularly clean the earbuds and ear hooks with a soft, damp cloth.
- Do not use harsh chemicals or abrasive materials for cleaning.
- Ensure the headphones are completely dry before storing or charging.
3. Storage
- Store the headphones in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid placing heavy objects on the headphones.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headphones do not power on. | Low battery. | Charge the headphones for at least 2 hours. |
| Cannot pair with Bluetooth device. | Headphones not in pairing mode; device Bluetooth off; too far apart. | Ensure headphones are in pairing mode (flashing red/blue). Turn Bluetooth on your device. Keep devices within 10 meters. |
| No sound in MP3 mode. | No music files loaded; volume too low; corrupted files. | Ensure music files are correctly transferred. Increase volume. Try different audio files. |
| Sound quality is poor. | Weak Bluetooth signal; low quality audio files. | Move closer to the Bluetooth device. Use high-quality audio files. |
| Headphones disconnect frequently. | Out of Bluetooth range; interference. | Stay within Bluetooth range. Avoid strong electromagnetic interference. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | SM-828 |
| Water Resistance Rating | IPX7 (Waterproof) |
| Built-in Memory | 16GB |
| Bluetooth Version | 5.0 |
| Connectivity | Wireless Bluetooth |
| Audio Formats Supported | MP3, WMV, WAV, FLAC, APE |
| Noise Reduction | CVC6.0 |
| Battery Life (Playback) | Up to 12 hours |
| Charging Time | Approx. 2 hours |
| Charging Port | USB Type-C |
| Weight | 20 Grams |
| Material | Rubber, Plastic |
| Microphone | Yes |
Warranty and Support
Information regarding product warranty and customer support is not available in the provided product details. Please refer to the retailer or manufacturer's official website for specific warranty terms and support contact information.