1. Product Overview
The IFECCO Invisible Sleep Earbuds S13 are designed for comfortable wear, especially for side sleepers, providing effective noise blocking and high-quality audio. These wireless earbuds feature Bluetooth 5.3 connectivity and are IPX6 waterproof.

Image 1.1: IFECCO Invisible Sleep Earbuds designed for comfortable wear during sleep.
Key Features:
- Comfortable for Sleeping: Made of soft silicone, these mini earbuds are designed to be worn comfortably all night, even for side sleepers.
- Effective Noise Blocking: Creates a gentle seal in your ears to block out external noise, such as snoring or traffic.
- Seamless Bluetooth 5.3 Connectivity: Ensures a stable and simple connection with your devices for uninterrupted audio.
- Extended Battery Life: Up to 4 hours of continuous playback on a single charge, with a total of 24 hours using the charging case.
- No Low Battery Alerts: Designed to avoid interruptions during sleep by eliminating low battery notifications.
- IPX6 Waterproof: Resistant to sweat and splashes, suitable for various environments.
2. Getting Started
2.1 Charging the Earbuds and Case
Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case. The case features a digital display indicating the charge level. Connect the charging case to a power source using the provided USB cable.

Image 2.1: The charging case provides up to 24 hours of total battery life for the earbuds.
2.2 Bluetooth Pairing
The earbuds are designed for one-step pairing. Once removed from the charging case, they will automatically enter pairing mode or reconnect to the last paired device.
- Ensure the earbuds are charged.
- Open the charging case. The earbuds will automatically power on and enter pairing mode.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "IFECCO S13" from the list of devices to connect.
- Once paired, the earbuds will automatically connect to your device when removed from the case in the future.

Image 2.2: One-step pairing with Bluetooth 5.3 for quick and stable connection.
Video 2.1: Demonstration of IFECCO Invisible Sleep Earbuds, including how to wear them and their comfortable fit for sleeping.
3. Operation
3.1 Wearing the Earbuds
For optimal comfort and noise blocking, ensure the earbuds are properly inserted and tucked into your ears. The soft silicone design allows for a secure fit without discomfort, even when lying on your side.

Image 3.1: Proper insertion and tucking of the earbuds for a secure and comfortable fit.
3.2 Touch Controls
The earbuds feature intuitive touch controls for managing audio playback and calls. The controls are mirrored on both the left and right earbuds for convenience.
| Action | Left Earbud (L) | Right Earbud (R) |
|---|---|---|
| Answer/End Call | One Tap | One Tap |
| Reject Call | Long Press 2s | Long Press 2s |
| Volume Down | Triple Tap | N/A |
| Volume Up | N/A | Triple Tap |
| Play/Pause | Double Tap | Double Tap |
| Voice Assistant | Quadruple Tap | Quadruple Tap |
4. Care and Maintenance
To ensure the longevity and optimal performance of your IFECCO Invisible Sleep Earbuds, follow these care guidelines:
- Cleaning: Gently wipe the earbuds with a soft, dry, lint-free cloth. Do not use harsh chemicals or abrasive materials.
- Water Resistance: The earbuds are IPX6 waterproof, meaning they are resistant to strong jets of water. However, they are not designed for submersion. Avoid prolonged exposure to water.
- Storage: When not in use, store the earbuds in their charging case to protect them from dust and damage.
- Temperature: Avoid exposing the earbuds to extreme temperatures (hot or cold) or direct sunlight for extended periods.

Image 4.1: The earbuds feature IPX6 water and sweat resistance.
5. Troubleshooting
If you encounter issues with your IFECCO Invisible Sleep Earbuds, refer to the following common solutions:
- Earbuds not connecting or disconnecting randomly:
- Ensure both earbuds are fully charged.
- Turn off and on your device's Bluetooth.
- Forget the device "IFECCO S13" from your device's Bluetooth settings and re-pair.
- Ensure no other Bluetooth devices are interfering with the connection.
- Poor sound quality or no sound:
- Check the volume levels on both your device and the earbuds.
- Ensure the earbuds are clean and free of debris that might block the sound.
- Try re-pairing the earbuds with your device.
- Earbuds are uncomfortable or fall out:
- Adjust the position of the earbuds in your ear, ensuring they are properly inserted and tucked as shown in Image 3.1.
- Ensure you are using the correct size ear tips for your ears (if multiple sizes were provided, though not specified in product details).
- Charging case not charging:
- Verify the charging cable is securely connected to both the case and the power source.
- Try using a different USB cable or power adapter.
6. Technical Specifications
| Feature | Specification |
|---|---|
| Model Name | S13 |
| Connectivity Technology | Wireless (Bluetooth) |
| Bluetooth Version | 5.3 |
| Bluetooth Range | 10 Meters |
| Battery Life (Earbuds) | 4 Hours |
| Total Battery Life (with Case) | 24 Hours |
| Water Resistance Level | IPX6 (Waterproof) |
| Material | Silicone |
| Control Type | Touch |
| Noise Control | Sound Isolation |
| Sensitivity | 58 dB |
| Impedance | 80 Ohms |
| Item Weight | 3.2 ounces |
| Manufacturer | I love e iFecco |
7. Warranty and Support
For warranty information and customer support, please refer to the documentation included with your purchase or contact IFECCO customer service through their official channels. Keep your proof of purchase for any warranty claims.