1. Introduction
Thank you for choosing the Stromberg Zing Portable Mini Bluetooth Speaker. This compact and powerful speaker is designed to deliver clear, immersive sound wherever you go. With its durable, waterproof, and dustproof design, it's built for adventure and everyday use. This manual provides essential information for setting up, operating, and maintaining your speaker.

Image 1: The Stromberg Zing Portable Mini Bluetooth Speaker in Gray/Yellow.
2. Key Features
- Powerful Audio: Enjoy 5W RMS power with a 1.75" tweeter for clear and immersive sound.
- Wireless Connectivity: Seamless Bluetooth connection to your mobile devices.
- Extended Playtime: Up to 6 hours of battery life on a single charge.
- Compact & Portable: Lightweight design with a built-in strap for easy carrying.
- Durable Design: IPX5 waterproof and dustproof rating, built to withstand splashes and dust.
- TWS Connection: Pair two Zing speakers for true stereo sound.
- Versatile Inputs: Includes a 3.5mm auxiliary input and USB-C charging.
3. What's in the Box
Upon unboxing your Stromberg Zing speaker, you should find the following items:
- Stromberg Zing Portable Mini Bluetooth Speaker
- USB-C Charging Cable
- User Manual (this document)
4. Setup
4.1. Charging the Speaker
Before first use, fully charge your speaker using the provided USB-C cable.
- Connect the USB-C end of the cable to the charging port on the speaker.
- Connect the USB-A end of the cable to a compatible USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate. Once fully charged, the light may change color or turn off, depending on the model.

Image 2: Rear view of the speaker, highlighting the AUX and USB-C charging ports.
4.2. Bluetooth Pairing
Follow these steps to connect your speaker to a Bluetooth-enabled device:
- Power on the speaker by pressing and holding the power button until you hear an audible cue or see the LED indicator light up.
- The speaker will automatically enter Bluetooth pairing mode, indicated by a blinking LED light.
- On your device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "Stromberg Zing" from the list of devices.
- Once connected, you will hear a confirmation tone, and the LED light will become solid.
4.3. True Wireless Stereo (TWS) Connection
For an enhanced audio experience, you can pair two Stromberg Zing speakers together for TWS stereo sound.
- Ensure both Stromberg Zing speakers are powered on and not connected to any other Bluetooth device.
- On one speaker (this will be your primary speaker), press the TWS button (often indicated by a chain link icon or similar).
- The primary speaker will search for the secondary speaker.
- Once connected, you will hear a confirmation tone, and the LED indicators on both speakers will show a TWS paired status.
- Now, connect your device to the primary speaker via Bluetooth as described in section 4.2.
Video 1: An official product video demonstrating the features and TWS pairing of the Stromberg Zing Portable Mini Bluetooth Speaker.
5. Operating Instructions
5.1. Power On/Off
- Power On: Press and hold the Power button for approximately 3 seconds.
- Power Off: Press and hold the Power button for approximately 3 seconds.
5.2. Volume Control
- Increase Volume: Press the + button.
- Decrease Volume: Press the - button.
5.3. Music Playback
- Play/Pause: Press the Play/Pause button (often indicated by a triangle or circle icon).
- Next Track: Press and hold the + button.
- Previous Track: Press and hold the - button.

Image 3: Top view of the speaker, illustrating the control buttons for power, volume, and playback.
5.4. Auxiliary Input (AUX)
To play audio from a device without Bluetooth, use the 3.5mm AUX input:
- Connect one end of a 3.5mm audio cable (not included) to your audio source.
- Connect the other end to the AUX port on the speaker.
- The speaker will automatically switch to AUX mode, or you may need to press a mode button (if available) to select AUX.
6. Maintenance
To ensure the longevity and optimal performance of your Stromberg Zing speaker, follow these maintenance guidelines:
- Cleaning: Use a soft, damp cloth to clean the speaker's exterior. Avoid harsh chemicals or abrasive cleaners.
- Waterproof/Dustproof: The speaker has an IPX5 rating, meaning it is protected against low-pressure water jets from any direction and limited dust ingress. Do not submerge the speaker in water. Ensure the port cover is securely closed to maintain water resistance.
- Storage: Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures when not in use for extended periods.
- Battery Care: To preserve battery life, charge the speaker regularly, even if not used frequently. Avoid fully discharging the battery for prolonged periods.
7. Troubleshooting
If you encounter any issues with your speaker, refer to the following common solutions:
- Speaker will not power on: Ensure the battery is charged. Connect the speaker to a power source using the USB-C cable.
- Cannot pair via Bluetooth:
- Make sure the speaker is in pairing mode (blinking LED).
- Ensure your device's Bluetooth is enabled and within range (typically 10 meters or 33 feet).
- Forget the speaker from your device's Bluetooth list and try pairing again.
- Restart both the speaker and your Bluetooth device.
- No sound or low volume:
- Check the volume levels on both the speaker and your connected device.
- Ensure the speaker is properly connected via Bluetooth or AUX.
- If using AUX, ensure the cable is fully inserted and not damaged.
- Poor sound quality:
- Move the speaker closer to your Bluetooth device to reduce interference.
- Avoid obstacles between the speaker and your device.
- Ensure the audio source is of good quality.
8. Specifications
| Feature | Detail |
|---|---|
| Model Name | Zing! |
| Brand | Stromberg Carlson |
| Speaker Type | Portable Speaker |
| Mounting Type | Portable speaker |
| Speaker Maximum Output Power | 5 Watts |
| Frequency Response | 20000 Hz |
| Connectivity Technology | Auxiliary, Bluetooth |
| Audio Output Mode | Stereo |
| Special Feature | Rechargeable Battery / TWS Connection / 5 Watts / Mini Pill Speaker |
| Color | Gray/Yellow |
| Material | Plastic |
| Product Dimensions | 3.15"D x 2.76"W x 3.94"H |
| Item Weight | 13.1 ounces |
| Included Components | USB-C Cable |
9. Warranty and Support
Your Stromberg Zing Portable Mini Bluetooth Speaker is covered by a manufacturer's warranty. For specific warranty details, please refer to the warranty card included with your product or visit the official Stromberg Carlson website. For technical support, product inquiries, or service requests, please contact Stromberg Carlson customer service.
Contact Information:
- Website: Stromberg Carlson Official Store
- Refer to product packaging or official website for phone and email support.