1. Introduction
Thank you for choosing the SoundMAGIC S20BT Bluetooth Neckband Earphones. These earphones are designed to provide high-fidelity audio with a stable wireless connection, offering comfort and durability for various activities including daily use, sports, and travel. This manual will guide you through the setup, operation, and maintenance of your new earphones.

Image 1: SoundMAGIC S20BT earphones highlighting stable Bluetooth 5.0 connection and 13m transmission range.
2. Package Contents
Please check the box for the following items:
- SoundMAGIC S20BT Bluetooth Neckband Earphones
- USB Charging Cable
- Silicone Ear Tips (S/M/L sizes)
- Carrying Pouch
- User Manual (this document)

Image 2: Contents of the SoundMAGIC S20BT package, including earphones, USB cable, ear tips, and carrying pouch.
3. Product Overview
The SoundMAGIC S20BT earphones feature a comfortable neckband design with in-ear earbuds. The control panel is integrated into the neckband for easy access to functions.
Key Components:
- Earbuds: In-ear design with 13.5mm dynamic drivers for clear audio.
- Neckband: Soft, skin-friendly material for comfortable wear.
- Control Panel: Integrated buttons for power, volume, music playback, and call management.
- Microphone: Built-in HD microphone for hands-free calls.
- Micro USB Port: For charging the earphones.
- Magnetic Design: Earbuds can magnetically attach to each other for secure storage around the neck.

Image 3: Detailed view of the control panel and integrated HD microphone.

Image 4: The S20BT earphones demonstrating comfortable wear and durable design features.
4. Setup
4.1 Charging the Earphones
Before first use, fully charge your S20BT earphones.
- Locate the Micro USB charging port on the control panel.
- Connect the provided USB charging cable to the earphones' Micro USB port.
- Connect the other end of the USB cable to a USB power source (e.g., computer USB port, USB wall adapter).
- The LED indicator on the control panel will illuminate during charging and change color or turn off when fully charged. A full charge takes approximately 2 hours.
Note: Do not use chargers with voltage higher than 5V to avoid damage.
4.2 Pairing with a Bluetooth Device
Follow these steps to pair your S20BT earphones with your smartphone, tablet, or other Bluetooth-enabled device.
- Power On: Press and hold the multi-function button for approximately 3 seconds until the LED indicator flashes (usually blue and red alternately), indicating pairing mode.
- Enable Bluetooth: On your device, go to the Bluetooth settings and ensure Bluetooth is turned on.
- Search for Devices: Your device will scan for available Bluetooth devices. Look for "S20BT" in the list.
- Connect: Select "S20BT" to initiate the connection. Once connected, the LED indicator on the earphones will typically show a steady blue light or flash blue slowly.
- Automatic Reconnection: After initial pairing, the earphones will automatically connect to the last paired device when powered on, if the device's Bluetooth is active and within range.

Image 5: Visual guide for easy pairing and an overview of battery performance.
5. Operating Instructions
5.1 Power On/Off
- Power On: Press and hold the multi-function button for approximately 3 seconds until the LED indicator flashes blue.
- Power Off: Press and hold the multi-function button for approximately 3 seconds until the LED indicator flashes red and then turns off.
5.2 Music Playback
- Play/Pause: Press the multi-function button once.
- Volume Up: Press the "Volume +" button.
- Volume Down: Press the "Volume -" button.
- Next Track: Press and hold the "Volume +" button.
- Previous Track: Press and hold the "Volume -" button.
5.3 Call Management
- Answer/End Call: Press the multi-function button once.
- Reject Call: Press and hold the multi-function button for approximately 2 seconds.
- Redial Last Number: Double-press the multi-function button.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your SoundMAGIC S20BT earphones.
- Cleaning: Regularly clean the earbuds and neckband with a soft, dry, lint-free cloth. Do not use abrasive cleaners, alcohol, or chemical solvents.
- Ear Tips: Remove ear tips periodically and clean them with water and mild soap. Ensure they are completely dry before reattaching.
- Storage: Store the earphones in the provided carrying pouch when not in use to protect them from dust and damage. Keep them in a cool, dry place, away from direct sunlight, extreme temperatures, and humidity.
- Water Exposure: These earphones are not waterproof. Avoid exposing them to water, rain, or excessive moisture.
- Magnets: The earbuds feature integrated magnets. Keep them away from sensitive electronic devices or magnetic cards to prevent interference or damage.
7. Troubleshooting
If you encounter any issues with your S20BT earphones, please refer to the following common problems and solutions:
- Q: The earphones do not power on.
- A: Ensure the earphones are fully charged. Connect them to a power source using the USB cable and check if the charging indicator lights up.
- Q: Cannot pair the earphones with my device.
- A:
- Ensure Bluetooth is enabled on your device.
- Make sure the earphones are in pairing mode (LED flashing blue and red alternately).
- Move the earphones closer to your device.
- If previously paired, try "forgetting" or "unpairing" "S20BT" from your device's Bluetooth list and then attempt to pair again.
- Restart both your device and the earphones.
- Q: No sound or poor sound quality.
- A:
- Check the volume levels on both the earphones and your connected device.
- Ensure the earphones are properly paired and connected to your device.
- Try restarting both your device and the earphones.
- Ensure the earbuds are properly seated in your ears for a good seal. Try different sized ear tips for optimal fit and sound.
- Ensure there are no physical obstructions between the earphones and your device that could interfere with the Bluetooth signal.
- Q: Earphones disconnect frequently.
- A:
- Ensure the earphones are within the effective Bluetooth range (up to 10-13 meters) of your device.
- Avoid placing obstacles (walls, large objects) between the earphones and your device.
- Minimize interference from other wireless devices operating on the same frequency.
- Ensure the earphones are sufficiently charged.
8. Specifications
| Model Name | S20BT |
| Bluetooth Version | 5.0 |
| Driver Size | 13.5 mm Dynamic |
| Impedance | 16 Ohms |
| Frequency Range | 20 Hz - 20,000 Hz |
| Battery Life (Music Playback) | Up to 20 hours |
| Battery Life (Talk Time) | Up to 10 hours |
| Charging Time | Approximately 2 hours |
| Weight | 19.5 Grams |
| Connectivity | Wireless (Bluetooth) |
| Control Type | Volume, Media, Call Control |
| Water Resistance | Not waterproof |
| Compatible Devices | Phones, Laptops, Tablets, Smart Speakers, iOS devices, Android devices |
9. Warranty and Support
For detailed warranty information, product registration, or technical support, please visit the official SoundMAGIC website or contact your authorized retailer. Keep your purchase receipt as proof of purchase for warranty claims.





