1. Introduction
Thank you for choosing the S20 TWS Wireless Earbuds. This manual provides detailed instructions on how to set up, operate, maintain, and troubleshoot your new earbuds. Please read this manual carefully before use to ensure optimal performance and longevity of your device.

Figure 1.1: S20 TWS Wireless Earbuds and Charging Case. The image displays the sleek design of the earbuds and their compact charging case, featuring an LED display on the case.
2. Setup
2.1 Initial Charging
Before first use, ensure both the earbuds and the charging case are fully charged. Connect the charging case to a power source using the provided USB-C cable. The LED display on the case will indicate the charging status.

Figure 2.1: Portable Charger Functionality. The image shows the S20 TWS charging case connected to a smartphone via a USB cable, demonstrating its capability to act as a portable charger for other devices.
2.2 Pairing with Your Device
- Open the charging case. The earbuds will automatically power on and enter pairing mode.
- On your mobile device, enable Bluetooth and search for available devices.
- Select "S20 TWS" from the list of devices.
- Once connected, the earbuds will indicate successful pairing (e.g., a voice prompt or LED indicator change).
The earbuds are designed with the latest Bluetooth 5.1 technology for fast and stable transmission. They will automatically power on when removed from the case and power off when placed back in.
3. Operating Instructions
3.1 Touch Controls
The S20 TWS earbuds feature smart touch controls, preventing discomfort from physical buttons.
- Play/Pause: Single tap on either earbud.
- Next Track: Double tap on the right earbud.
- Previous Track: Double tap on the left earbud.
- Answer/End Call: Single tap on either earbud.
- Reject Call: Long press on either earbud.
- Activate Voice Assistant: Double tap the multi-function button (specific earbud may vary, refer to quick start guide).
3.2 Wearing the Earbuds
The earbuds feature an ergonomic design for a comfortable and secure fit. Three sizes of ear tips are included to ensure optimal comfort and sound isolation.

Figure 3.1: Ergonomic Design. This image illustrates the 45-degree oblique ear design of the earbuds, highlighting how it contributes to a more comfortable wearing experience.
4. Maintenance
4.1 Cleaning
Regularly clean your earbuds and charging case with a soft, dry cloth. Avoid using abrasive materials or harsh chemicals.
4.2 Water Resistance (IPX5)
The S20 TWS earbuds and charging case are IPX5 waterproof, thanks to an internal nano-coating. This means they can resist splashes from sweat and rain. They can even withstand immersion in water up to one meter deep for 30 minutes. However, avoid prolonged submersion or exposure to strong water jets.

Figure 4.1: IPX-rated Water and Sweat Proof. This image depicts a person showering while wearing the earbuds, emphasizing their IPX-rated water and sweat resistance, suitable for active use.

Figure 4.2: Waterproof and Sweatproof. The image shows the earbuds and charging case surrounded by water splashes, reinforcing their waterproof and sweatproof capabilities for rich, high-quality sound.
4.3 Storage
When not in use, store the earbuds in their charging case to protect them and keep them charged. Store in a cool, dry place away from extreme temperatures.
5. Troubleshooting
- Earbuds not pairing: Ensure both earbuds are out of the case and in pairing mode. Turn off and on your device's Bluetooth.
- Only one earbud working: Place both earbuds back into the charging case, close the lid, wait a few seconds, then take them out again. This often re-syncs them.
- No sound: Check the volume on your connected device. Ensure earbuds are properly paired.
- Charging issues: Ensure the charging cable is securely connected and the power source is active. Clean the charging contacts on both the earbuds and the case.
6. Specifications

Figure 6.1: Intelligent Digital Display. This image highlights the LED cold light digital display on the charging case, showing the power levels of the left earphone, charging compartment, and right earphone at a glance.
| Feature | Specification |
|---|---|
| Brand | S20 |
| Model Name | S20 TWS |
| Connectivity Technology | Wireless (Bluetooth 5.1) |
| Ear Placement | In-Ear |
| Headphone Form Factor | In-Ear |
| Noise Control | Active Noise Cancellation |
| Headphone Jack | USB |
| Color | Turquoise |
| Chip | Jerry 6963 |
| Support Protocol | A3DP/AVRCP/HHFP/HSP |
| Transmission Distance | ≥ 10 meters (barrier-free) |
| Speaker Unit | 13mm Dynamic Speaker |
| Frequency Response Range | 20-2KHz |
| Charging Port | Android (USB-C) |
| Charging Time | Approx. 1.5 hours (case) |
| Earbud Battery Capacity | 35mAh |
| Charging Case Battery Capacity | 2000mAh |
| Music Playback Time (80% volume) | Approx. 5 hours (single charge), 30 hours (with case) |
| Standby Time | 120 hours |
| Waterproof Level | Lifetime Waterproof (IPX5) |
| Included Components | Wireless charging case, cable |
| Product Dimensions | 11.4 x 7.2 x 3 cm; 80 grams |

Figure 6.2: Stronger Signal & Long Battery Life. This image shows the charging case connected to a smartphone, illustrating the product's strong signal and extended battery life, providing hours of listening and talk time.
7. Warranty and Support
All S20 TWS products are covered by a 12-month warranty. If you encounter any issues or have questions, please do not hesitate to contact us. Refer to the contact information provided in your product packaging or the original purchase platform for support.







