1. Introduction
Thank you for choosing the DISCO MZ-628 Wearable Bluetooth Speaker. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
2. Product Overview
2.1 Package Contents
- DISCO MZ-628 Wearable Bluetooth Speaker
- Power Cable (USB-C)
- Instruction Manual (this document)
2.2 Key Features
- Wearable Design: Lightweight (2.2 ounces / 0.09 kg) with a secure clip for easy attachment.
- Magnetic Mount: Integrated magnet allows attachment to metal surfaces for hands-free use.
- Bluetooth 5.4 Connectivity: Stable wireless connection up to 30 feet (10 meters).
- IP67 Waterproof Rating: Protected against dust and immersion in water up to 1 meter for 30 minutes.
- Built-in Noise-Canceling Microphone: For clear hands-free calls.
- Long Battery Life: 600mAh battery provides 4-6 hours of continuous playtime.
- Powerful Sound: 28mm driver with 3W rated power and >95dB Signal-to-Noise Ratio (SNR).
- Touch Control: Intuitive controls for playback and calls.
2.3 Product Diagram

Figure 1: Detailed diagram of the DISCO MZ-628 speaker, illustrating its components, dimensions, and magnetic mount feature. This image shows the front, side, and back views, along with key specifications like driver diameter, rated power, wireless distance, SNR, frequency response, battery capacity, charging time, playing time, and waterproof rating.

Figure 2: The DISCO MZ-628 speaker held in a person's hand, illustrating its compact and portable size.
3. Setup
3.1 Charging the Speaker
- Locate the charging port on the speaker.
- Connect the provided Power Cable (USB-C) to the speaker's charging port.
- Connect the other end of the USB cable to a standard USB power adapter (not included) or a computer's USB port.
- The charging indicator light will illuminate (color may vary) to show that the speaker is charging.
- A full charge typically takes 1-2 hours. The indicator light will change or turn off once charging is complete.
Note: Ensure the charging port is dry before connecting the cable to prevent damage.
3.2 Bluetooth Pairing
- Power On: Press and hold the Power button (usually the central button) for a few seconds until you hear an audible prompt or see an indicator light flash, indicating the speaker is on and in pairing mode.
- Activate Bluetooth: On your smartphone, tablet, or other Bluetooth-enabled 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 "DISCO MZ-628" or a similar name in the list.
- Connect: Select "DISCO MZ-628" to initiate the pairing process. Once successfully paired, you will hear a confirmation tone or voice prompt from the speaker.
- Reconnect: The speaker will automatically attempt to reconnect to the last paired device when powered on, if that device's Bluetooth is active and within range.
4. Operating Instructions
4.1 Basic Functions
- Power On/Off: Press and hold the Power button (central button) for approximately 3 seconds.
- Play/Pause: Short press the Power button to play or pause music.
- Volume Up: Short press the "+" button.
- Volume Down: Short press the "-" button.
- Next Track: Long press the "+" button.
- Previous Track: Long press the "-" button.
4.2 Hands-Free Calling
- Answer Call: Short press the Power button when an incoming call is received.
- End Call: Short press the Power button during a call.
- Reject Call: Long press the Power button when an incoming call is received.
- Redial Last Number: Double-press the Power button.
4.3 Wearing and Mounting
The DISCO MZ-628 speaker offers versatile mounting options:
- Clip-on: Use the integrated clip to attach the speaker to clothing, belts, backpack straps, or other suitable edges.
- Magnetic Mount: The speaker features a strong magnet on its back, allowing it to securely attach to any ferrous metal surface, such as refrigerators, toolboxes, or metal poles.

Figure 3: The DISCO MZ-628 speaker clipped onto a person's belt, demonstrating its wearable functionality for hands-free use during activities.
5. Maintenance
5.1 Cleaning
- Before cleaning, ensure the speaker is powered off and disconnected from any charging source.
- Wipe the speaker with a soft, damp cloth. Do not use abrasive cleaners, alcohol, or chemical solvents, as these may damage the surface.
- For stubborn dirt, a mild soap solution can be used, followed by wiping with a clean, damp cloth.
- Ensure the speaker is completely dry before storing or using it again, especially around the charging port.
5.2 Storage
- Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid storing the speaker in environments with high humidity or corrosive substances.
- If storing for an extended period, charge the battery to approximately 50% every few months to prolong its lifespan.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Battery is depleted. | Charge the speaker for 1-2 hours using the provided USB-C cable. |
| Cannot pair with Bluetooth device. | Bluetooth is off on your device; speaker is not in pairing mode; too far from device. | Ensure Bluetooth is enabled on your device. Power off and on the speaker to re-enter pairing mode. Move the speaker closer to your device (within 30 feet). |
| No sound or low volume. | Volume is too low on speaker or connected device; speaker is paused. | Increase volume on both the speaker and your connected device. Press the Power button to ensure music is playing. |
| Speaker disconnects frequently. | Out of Bluetooth range; interference; low battery. | Move the speaker closer to your device. Avoid obstacles between the speaker and device. Ensure the speaker is fully charged. Try re-pairing the device. |
| Microphone not working during calls. | Speaker not selected as audio output for calls; microphone blocked. | Check your phone's call settings to ensure the DISCO MZ-628 is selected for audio. Ensure the microphone port is not obstructed. |
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | MZ-628 |
| Brand | DISCO |
| Connectivity Technology | Bluetooth 5.4 |
| Bluetooth Range | Up to 30 feet (10 meters) |
| Speaker Type | Portable Speaker |
| Driver Diameter | 28mm |
| Rated Power | 3W |
| Signal-to-Noise Ratio (SNR) | >95dB |
| Frequency Response | 200Hz-20KHz |
| Battery Capacity | 600mAh |
| Charging Time | 1-2 hours |
| Playing Time | 4-6 hours |
| Waterproof Rating | IP67 |
| Control Method | Touch |
| Product Dimensions | 1.18"D x 1.85"W x 2.95"H |
| Item Weight | 0.09 Kilograms (3.17 ounces) |
| Material | Plastic |
8. Warranty and Support
The DISCO MZ-628 Wearable Bluetooth Speaker is designed for durability and performance. For specific warranty details, please refer to the warranty card included with your purchase or visit the official DISCO website.
If you encounter any issues or have questions not covered in this manual, please contact customer support through the retailer where you purchased the product or the manufacturer's official support channels.





