Introduction
The foxotin S13 Open-Ear Bluetooth Wireless Earphones offer a unique listening experience with their open-ear design, allowing you to stay aware of your surroundings while enjoying audio. Featuring a 2.4-inch touch display for intuitive control, a 16.2mm dynamic driver for balanced sound, and 7 EQ presets, these earphones are designed for comfort and versatility. They are ultra-lightweight at approximately 8.5g per earbud, compatible with glasses, and provide up to 30 hours of playback with the charging case. With Type-C fast charging, life waterproof rating, and ENC noise-canceling for calls, the S13 is suitable for various daily activities, from commuting to sports.

Image: The foxotin S13 Open-Ear Bluetooth Wireless Earphones with their charging case, showcasing the sleek design.
Setup
1. Unboxing and Initial Charge
Carefully remove all components from the packaging. Before first use, ensure the earphones and charging case are fully charged. Connect the provided USB Type-C cable to the charging case and a compatible power source. The case's 2.4-inch touch display will show the battery status, indicating the charge level for both the case and individual earbuds.

Image: The foxotin S13 charging case with earphones inside, illustrating the Type-C charging port and battery display.
The earphones support fast charging: a 10-minute charge can provide approximately 90 minutes of playback.
2. Bluetooth Pairing
- Ensure the earphones are in the charging case and the case is open.
- On your device (smartphone, tablet, PC), enable Bluetooth.
- Search for available Bluetooth devices and select 'S13' from the list.
- Once connected, the earphones will automatically reconnect to your device when the case lid is opened, provided Bluetooth is enabled on your device.
The S13 earphones are equipped with Bluetooth 6.0, offering stable connectivity and multi-device compatibility with iOS, Android, and Windows systems.
Operating Instructions
1. Wearing the Earphones
The S13 features an open-ear, ear-hook design for comfortable and secure wear. Gently place the ear hook over your ear, ensuring the speaker rests comfortably near your ear canal without blocking it. This design allows you to hear ambient sounds naturally.

Image: A person wearing the foxotin S13 earphones, demonstrating the comfortable and secure ear-hook fit, even with glasses.
The lightweight design (approx. 8.5g per earbud) and flexible ear hooks ensure a stable fit during movement and are compatible with glasses or masks.
2. Touch Display Controls
The charging case features a 2.4-inch touch display for intuitive control of various functions without needing to open the lid or use your phone.

Image: Various screens of the foxotin S13's smart UI touch display, showing controls for music playback, EQ settings, and device settings.
- Music Playback: Control play/pause, volume adjustment, and track skipping directly from the display.
- EQ Presets: Choose from 7 different equalizer presets (e.g., Bass-heavy, Pop, Classic) to match your audio preference or music genre.
- Voice Assistant: Activate your smartphone's voice assistant (Siri or Google Assistant) with a touch, allowing for hands-free commands like sending messages or checking the weather.
- UI Customization: Adjust display themes and brightness settings to your preference.
3. Call Functions
The earphones feature ENC (Environmental Noise Cancellation) for calls. This technology automatically reduces ambient noise during phone conversations, ensuring your voice is transmitted clearly to the other party, even in noisy environments.
Maintenance
Cleaning
- Regularly wipe the earphones and charging case with a soft, dry, lint-free cloth.
- Avoid using abrasive materials, alcohol, or chemical cleaners.
- Ensure charging contacts on both the earphones and case are clean and free of debris to maintain optimal charging performance.
Storage
When not in use, store the earphones in their charging case to protect them from dust and damage. Store the case in a cool, dry place away from direct sunlight and extreme temperatures.
Water Resistance
The S13 earphones are designed with a life waterproof specification, making them resistant to sweat and light rain. They are not intended for submersion in water. Avoid exposing them to heavy rain, showering, or swimming. If they get wet, wipe them dry thoroughly before placing them back in the charging case or attempting to charge.
Troubleshooting
- Earphones not pairing or connecting: Ensure Bluetooth is enabled on your device and the earphones are charged. Try turning Bluetooth off and on again on your device, or reset the earphones by placing them in the case, closing the lid, and then reopening it.
- One earphone has no sound: Check if both earphones are properly seated in the charging case and fully charged. Ensure they are correctly paired. If the issue persists, try re-pairing them with your device.
- Sound quality issues: Ensure the earphones are clean and free from debris. Adjust the EQ settings via the touch display to find a sound profile that suits your preference.
- Charging issues: Verify that the Type-C cable is securely connected to both the case and the power source. Clean the charging contacts on both the earphones and the case. Check the battery status display on the case.
- Touch display unresponsive: Ensure the case is charged. If the display is frozen, try closing and reopening the case.
If you encounter persistent issues not resolved by these steps, please refer to the customer support section.
Specifications
| Feature | Specification |
|---|---|
| Brand | foxotin |
| Model Number | S13 |
| Color | Carbon Gray |
| Driver Size | 16.2mm Dynamic Driver |
| Bluetooth Version | 6.0 |
| Earphone Battery Life | Approx. 6 hours (earphones only) |
| Total Playback Time | Up to 30 hours (with charging case) |
| Fast Charging | 10 min charge for approx. 90 min playback |
| Charging Port | USB Type-C |
| Earbud Weight | Approx. 8.5g per earbud |
| Water Resistance | Life Waterproof (resistant to sweat and light rain) |
| Call Noise Cancellation | ENC (Environmental Noise Cancellation) |
| Display | 2.4-inch Touch Display on charging case |
| Package Dimensions | 10.4 x 8.6 x 3.2 cm |
| Package Weight | 110 g |
| First Available Date | 2025/10/27 |

Image: Diagram illustrating the 16.2mm dynamic driver and Bluetooth 5.4 (note: feature bullets state Bluetooth 6.0) technology within the S13 earphone.
Warranty
Specific warranty details for the foxotin S13 earphones may vary by region and retailer. Please refer to the retailer's purchase policy or the manufacturer's official website for comprehensive warranty information and terms.
Support
For any questions regarding the product, setup assistance, operational guidance, or to report initial defects, please contact customer support. You can typically find contact information or a support portal through your order history on the platform where you purchased the product. The manufacturer is committed to providing full support to ensure your satisfaction.