COREGENIX S300
COREGENIX S300 OWS Open Ear TWS Earbuds User Manual
Model: S300 | Brand: COREGENIX
1. Introduction
Thank you for choosing the COREGENIX S300 OWS Open Ear TWS Earbuds. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your new earbuds. Please read it carefully to ensure optimal performance and longevity of your device.
The S300 earbuds feature an open-ear design for comfort and environmental awareness, Bluetooth v5.4 for stable connectivity, AI-ENC for clear calls, IPX5 water resistance, and a low latency gaming mode.
2. What's in the Box
Upon unpacking, please ensure all the following items are present:
- COREGENIX S300 OWS Open Ear TWS Earbuds
- Wireless Charging Case
- Type-C Charging Cable
- Ear Cushions (if applicable, though open-ear design typically doesn't use traditional cushions)
- Instruction Manual (this document)
3. Product Overview
The COREGENIX S300 earbuds are designed for comfort and high-quality audio. Below are key components and features.

Figure 3.1: COREGENIX S300 OWS Open Ear TWS Earbuds and Charging Case.

Figure 3.2: Key features of the S300 earbuds, highlighting open comfort, high-resolution sound, Bluetooth 5.4, and AI noise reduction.

Figure 3.3: The charging case features a digital display for real-time battery status and utilizes a Type-C charging interface.
4. Setup
4.1 Charging the Earbuds and Case
- Place the earbuds into the charging case. Ensure they are correctly seated.
- Connect the Type-C charging cable to the charging port on the case and plug the other end into a USB power source.
- The digital display on the charging case will show the battery level. A full charge for the case typically takes 1.5 hours.
- The earbuds provide 5+ hours of playtime on a single charge, with the charging case extending total playtime to approximately 60 hours.
4.2 Initial Pairing
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, laptop), navigate to the Bluetooth settings.
- Search for available devices and select "COREGENIX S300" from the list.
- Once connected, you will hear a confirmation tone, and the earbuds will be ready for use.
The S300 earbuds support Bluetooth v5.4, ensuring a stable and high-speed connection with low power consumption.

Figure 4.1: The S300 earbuds offer intelligent connection and are compatible with various operating systems.
5. Wearing Method
To ensure a secure and comfortable fit, follow these steps:

Figure 5.1: Step-by-step guide for wearing the S300 earbuds.
- Confirm Earbud Orientation: Identify the left (L) and right (R) earbuds.
- Adjust Ear Hook: Rotate the ear hook to its maximum open angle.
- Position on Ear: Gently place the earbud over your ear, then rotate the ear hook backwards along the contour of your ear until it sits comfortably and securely.
- Final Adjustment: Ensure the earbud is stable and comfortable for extended wear. The lightweight design and multi-point support system help prevent them from falling out during activities.
6. Operating the Earbuds
6.1 Touch Controls
The COREGENIX S300 earbuds feature intuitive touch controls for managing music and calls.

Figure 6.1: Touch control functions for music and calls.
- Play/Pause: Double-click either earbud.
- Next Song: Long press the right earbud.
- Previous Song: Long press the left earbud.
- Volume Up/Down: Long press (specific earbud for up/down may vary, refer to device settings or experiment).
- Answer/End Call: Double-click either earbud.
- Reject Call: Long press either earbud for 2 seconds.
- Activate Voice Assistant: Triple-click either earbud.
6.2 Environmental Awareness
The open-ear design allows you to remain aware of your surroundings while enjoying audio, enhancing safety during outdoor activities.
6.3 Low Latency Gaming
The S300 earbuds feature a 45ms low latency mode, providing synchronized audio and visuals for an enhanced gaming experience.

Figure 6.2: Low latency ensures sound and picture synchronization for gaming.
6.4 Noise Reduction for Calls
Equipped with built-in dual microphones and AI-ENC (Environmental Noise Cancellation) technology, the earbuds effectively reduce ambient noise during calls, ensuring clear communication.

Figure 6.3: Intelligent noise reduction for clear calls and immersive audio.
7. Maintenance
7.1 Cleaning
- Regularly clean the earbuds and charging case with a soft, dry, lint-free cloth.
- Do not use abrasive cleaners, alcohol, or chemical solvents.
- Ensure charging contacts on both earbuds and case are clean and free of debris for proper charging.
7.2 Water Resistance
The COREGENIX S300 earbuds are IPX5 water and sweat resistant. This means they can withstand splashes of water and sweat, making them suitable for workouts and light rain. They are not designed for submersion in water.
7.3 Storage
When not in use, store the earbuds in their charging case to protect them and keep them charged. Avoid storing them in extreme temperatures or high humidity.
8. Troubleshooting
If you encounter any issues with your COREGENIX S300 earbuds, please refer to the following common solutions:
- Earbuds not pairing:
- Ensure both earbuds are charged.
- Turn off Bluetooth on your device and turn it back on.
- Forget/delete "COREGENIX S300" from your device's Bluetooth list and attempt to pair again.
- Place earbuds back in the case, close the lid, wait a few seconds, then open to re-enter pairing mode.
- No sound from one or both earbuds:
- Check the volume level on both your device and the earbuds.
- Ensure earbuds are properly connected to your device.
- Re-pair the earbuds with your device.
- Clean the charging contacts on the earbuds and inside the case.
- Charging issues:
- Ensure the charging cable is securely connected to both the case and the power source.
- Try a different Type-C charging cable and power adapter.
- Clean the charging contacts on the earbuds and inside the case.
- Poor call quality:
- Ensure the microphones are not obstructed.
- Move closer to your connected device to avoid signal interference.
- Ensure your device's network connection is stable.
9. Specifications
| Feature | Specification |
|---|---|
| Model Name | S300 |
| Brand | COREGENIX |
| Connectivity Technology | Wireless |
| Wireless Communication | Bluetooth |
| Bluetooth Version | 5.4 |
| Noise Control | Sound Isolation (AI-ENC for calls) |
| Ear Placement | Open Ear (OWS) |
| Control Type | Touch, Volume Control |
| Material | Plastic, Soft Silicone |
| Item Weight | 100 Grams (total) |
| Water Resistance Level | IPX5 (Water & Sweat Resistant) |
| Maximum Operating Distance | 15 Metres |
| Product Dimensions | 9 x 7 x 5 cm |
| Single Charge Playtime | 5+ hours |
| Total Playtime (with case) | Up to 60 hours |
| Charging Case Charge Time | Approx. 1.5 hours (Type-C) |
| Low Latency | 45ms |
| Included Components | Wireless Charging Case, Type-C Cable, Earbuds |
10. Warranty and Support
10.1 Warranty Information
Based on user feedback, a 6-month warranty may be applicable for the COREGENIX S300 earbuds. Please refer to your purchase documentation, retailer, or the official COREGENIX website for the most accurate and up-to-date warranty terms and conditions specific to your region and purchase date.
10.2 Customer Support
For further assistance, technical support, or warranty claims, please contact COREGENIX customer service through the contact information provided on your product packaging or the official COREGENIX website. When contacting support, please have your product model (S300) and proof of purchase readily available.
Ask a question about this manual
Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.