1. Introduction
This manual provides detailed instructions for the proper use, setup, and maintenance of your Soul S-Fit True Wireless Earphones. These earphones feature Bluetooth 5.0 connectivity, active noise cancellation, and an integrated microphone, designed for a seamless audio experience.
2. Package Contents
Please verify that all items are present in your package:
- Soul S-Fit True Wireless Earphones
- Charging Cable
- Multiple Sizes of Ear Cushions
- Protective Charging Case
- User Manual (this document)
3. Setup
3.1 Charging the Earphones and Case
Before first use, fully charge the earphones and the protective charging case. Connect the provided charging cable to the charging port on the case and a USB power source. The indicator lights on the case will show the charging status. Ensure the earphones are placed correctly in the case for them to charge.

Image: Soul S-Fit earphones inside their open charging case, connected to a charging cable, illustrating the charging process.
3.2 Bluetooth Pairing
- Ensure the earphones are charged and placed in the charging case.
- Open the charging case. The earphones will automatically enter pairing mode, indicated by flashing LED lights.
- On your device (smartphone, tablet, etc.), go to the Bluetooth settings.
- Select "Soul S-Fit" from the list of available devices.
- Once connected, the LED lights on the earphones will stop flashing, indicating successful pairing.
3.3 Wearing the Earphones
Select the ear cushions that provide the best fit and seal for optimal sound quality and noise cancellation. Gently insert each earphone into your ear canal and twist slightly to secure it. A proper fit is crucial for comfort and performance.

Image: Close-up of two black Soul S-Fit true wireless earbuds, one showing the ergonomic design and ear tip, highlighting the fit.
4. Operating Instructions
4.1 Power On/Off
- Power On: Open the charging case, or press and hold the touch control area on both earphones for 2 seconds.
- Power Off: Place the earphones back into the charging case and close the lid, or press and hold the touch control area on both earphones for 5 seconds.
4.2 Music Playback
- Play/Pause: Tap the touch control area on either earphone once.
- Next Track: Double-tap the touch control area on the right earphone.
- Previous Track: Double-tap the touch control area on the left earphone.
4.3 Call Management
- Answer/End Call: Tap the touch control area on either earphone once.
- Reject Call: Press and hold the touch control area on either earphone for 2 seconds.
4.4 Noise Cancellation
The Soul S-Fit earphones feature Active Noise Cancellation (ANC). To toggle ANC on or off, triple-tap the touch control area on the left earphone. A voice prompt will confirm the mode change.
4.5 Voice Assistant
To activate your device's voice assistant (e.g., Siri, Google Assistant), triple-tap the touch control area on the right earphone.
5. Maintenance and Care
5.1 Cleaning
Regularly clean your earphones and charging case to ensure optimal performance and hygiene. Use a soft, dry, lint-free cloth to wipe the surfaces. For ear cushions, remove them and gently clean with a damp cloth, then dry thoroughly before reattaching.
5.2 Water and Dust Resistance
The Soul S-Fit earphones are rated IP67 for water and dust resistance. This means they are protected against dust ingress and can withstand immersion in up to 1 meter of fresh water for up to 30 minutes. Avoid prolonged exposure to water, saltwater, or other liquids. Ensure earphones are completely dry before placing them back in the charging case to prevent damage.
5.3 Storage
When not in use, store the earphones in their protective charging case to prevent damage and keep them charged. Store in a cool, dry place away from direct sunlight and extreme temperatures.

Image: Closed black Soul S-Fit charging case with a carabiner clip attached, demonstrating its portability and protective design.
6. Troubleshooting
| Problem | Possible Solution |
|---|---|
| Earphones not pairing | Ensure earphones are charged. Turn off and on your device's Bluetooth. Forget "Soul S-Fit" from your device's Bluetooth list and re-pair. |
| No sound from one earphone | Check if both earphones are charged. Try resetting the earphones (refer to manual for specific reset instructions, if available). Re-pair with your device. |
| Charging issues | Verify the charging cable and power source are working. Ensure earphones are correctly seated in the charging case. Clean charging contacts if necessary. |
| Poor audio quality or disconnections | Ensure your device is within Bluetooth range (typically 10 meters). Avoid obstacles between your device and earphones. Check for interference from other wireless devices. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Name | Soul S Fit |
| Model Number | SS57BK |
| Connectivity | Bluetooth 5.0 |
| Noise Control | Active Noise Cancellation |
| Microphone | Integrated |
| Water & Dust Proof Rate | IP67 |
| Color | Black |
| Included Components | Cable, Ear Cushions, Protective Case, User Manual |
| Package Dimensions | 17.8 x 15.4 x 4.2 cm |
| Weight | 276 g |
8. Warranty and Support
Soul products are designed and manufactured to the highest quality standards. For information regarding warranty coverage, please refer to the warranty card included in your product packaging or visit the official Soul website. For technical support or customer service inquiries, please contact Soul customer support through their official channels.
Official Website: www.soulelectronics.com





