HEYSONG HEYSONG SONIC BLAST
HEYSONG Portable Bluetooth Speaker User Manual
Model: HEYSONG SONIC BLAST
1. Product Overview
The HEYSONG Portable Bluetooth Speaker is designed to deliver powerful, high-fidelity audio with dynamic RGB LED lighting, making it ideal for various indoor and outdoor settings. Its robust waterproof construction ensures durability, while multiple connectivity options provide versatile music playback.
Key Features:
- High-Fidelity Sound: Precise frequency response, low distortion, and wide dynamic range for rich audio.
- Vibrant RGB LED Lights: Adjustable lighting to enhance ambiance and mood.
- IPX6 Waterproof: Enjoy music near water without worry, suitable for beach, pool, and outdoor use.
- Portable Design: Lightweight with an integrated microphone for hands-free calls, perfect for travel.
- Advanced Connectivity: Bluetooth 5.0 for stable connection up to 20m, supports AUX-IN, Micro-SD card, and USB playback.
- True Wireless Stereo (TWS): Pair two speakers for an immersive stereo sound experience.


2. Setup
2.1 Unboxing and Initial Charge
Carefully remove the speaker and all accessories from the packaging. Before first use, fully charge the speaker using the provided Type-C charging cable. The charging port is located on the side of the speaker, usually protected by a rubber flap.
2.2 Powering On/Off
- To Power On: Press and hold the Power button (⏻) for 2-3 seconds until you hear an audible prompt and the LED lights illuminate.
- To Power Off: Press and hold the Power button (⏻) for 2-3 seconds until the lights turn off and you hear an audible prompt.
2.3 Bluetooth Pairing
After powering on, the speaker will automatically enter Bluetooth pairing mode, indicated by a flashing LED light.
- Enable Bluetooth on your device (smartphone, tablet, laptop).
- Search for available Bluetooth devices.
- Select "HEYSONG SONIC BLAST" from the list.
- Once connected, you will hear a confirmation sound, and the LED light will stop flashing.
2.4 True Wireless Stereo (TWS) Pairing
To achieve a true stereo sound experience, you can pair two HEYSONG SONIC BLAST speakers together.
- Ensure both speakers are powered on and not connected to any Bluetooth device.
- On one speaker (this will be the primary speaker), press and hold the TWS button (often indicated by two interlocking circles or a dedicated TWS icon) for 2-3 seconds.
- The primary speaker will search for the secondary speaker. Once connected, you will hear a confirmation sound.
- Now, connect your device to the primary speaker via Bluetooth as described in section 2.3. Both speakers will play audio in stereo.

2.5 Other Connection Options
The speaker supports multiple input sources:
- AUX-IN: Connect external audio devices using a 3.5mm audio cable. The speaker will automatically switch to AUX mode.
- Micro-SD Card: Insert a Micro-SD card with MP3 audio files into the designated slot. The speaker will automatically play music from the card.
- USB Playback: Insert a USB flash drive with MP3 audio files into the USB port. The speaker will automatically play music from the drive.

3. Operating Instructions
3.1 Button Functions
| Button/Control | Function |
|---|---|
| ⏻ (Power Button) | Press and hold for 2-3s to Power On/Off. Short press to switch playback modes (Bluetooth/AUX/TF/USB). |
| + (Volume Up) | Short press to increase volume. Long press for next track. |
| - (Volume Down) | Short press to decrease volume. Long press for previous track. |
| ▶‖ (Play/Pause) | Short press to Play/Pause music. Short press to Answer/End calls. Long press to Reject calls. |
| TWS Icon | Press and hold for 2-3s to initiate TWS pairing. Short press to disconnect TWS. |
| Light Icon | Short press to cycle through LED light modes. Long press to turn lights On/Off. |
3.2 LED Light Modes
The speaker features multiple RGB LED light modes. Press the Light button to cycle through different patterns and colors. Long press the Light button to turn the LED lights on or off.

4. Maintenance
4.1 Cleaning
Due to its waterproof design, the speaker can be easily cleaned. Use a soft, damp cloth to wipe down the exterior. Do not use harsh chemicals or abrasive cleaners. Ensure the charging port and other openings are dry before charging.

4.2 Storage
Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. If storing for an extended period, ensure the battery is partially charged (around 50%) to prolong its lifespan.
4.3 Battery Care
- Avoid fully discharging the battery frequently.
- Do not expose the speaker to temperatures above 60°C (140°F) or below -10°C (14°F).
- Use only the provided or certified charging cables and adapters.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery; Power button not pressed long enough. | Charge the speaker fully. Press and hold the Power button for 2-3 seconds. |
| Cannot pair via Bluetooth. | Speaker not in pairing mode; Device Bluetooth off; Too far from speaker. | Ensure speaker is flashing LED (pairing mode). Turn device Bluetooth off/on. Move device closer (within 20m). |
| No sound. | Volume too low; Incorrect input mode; Device not playing. | Increase speaker and device volume. Press Power button to cycle modes. Ensure music is playing on device. |
| TWS pairing fails. | Speakers already connected to a device; Too far apart. | Disconnect both speakers from any Bluetooth device. Ensure speakers are within 5m of each other. |
| LED lights not working. | Lights turned off. | Long press the Light button to turn lights on. |
6. Specifications
| Feature | Detail |
|---|---|
| Brand | HEYSONG |
| Model Name | HEYSONG SONIC BLAST |
| Product Dimensions (L x W x H) | 22 x 11.5 x 10 cm (8.66 x 4.53 x 3.94 inches) |
| Item Weight | 820 grams (1.81 pounds) |
| Maximum Range | 20 Meters (Bluetooth) |
| Special Features | Bluetooth, RGB light up, Wireless |
| Connections | Bluetooth, AUX-IN, Micro-SD, USB |
| Battery | 1 Lithium-ion (included) |
| Maximum Speaker Output Power | 10 Watts (Note: Product description mentions 30W, this spec might be per channel or a different metric) |
| Audio Output Mode | Stereo |
| Mounting Type | Table Mount |
| Speaker Type | Surround Sound |
| Recommended Uses | For smartphone or tablet |
| Compatible Devices | MP3 Player, Smartphone, Tablet, Television |
| Included Components | Speaker |
7. Warranty and Support
7.1 Warranty Information
This product comes with a standard manufacturer's warranty. Please refer to the product packaging or the retailer's website for specific warranty terms and conditions. Keep your purchase receipt as proof of purchase for warranty claims.
7.2 Customer Support
For any questions, technical assistance, or warranty claims, please contact the retailer or the manufacturer's customer support. Contact information can typically be found on the product packaging or the official HEYSONG website.