1. Introduction
Thank you for choosing the Monster Blaster Micro Wearable Bluetooth Speaker. This manual provides essential information for setting up, operating, and maintaining your device. Please read it thoroughly before use.
1.1 Package Contents
- Monster Blaster Micro Speaker
- USB-C Charging Cable
- User Manual
1.2 Product Overview
The Monster Blaster Micro is a compact, wearable Bluetooth speaker designed for portability and hands-free audio. It features IPX7 waterproofing, True Wireless Stereo (TWS) pairing, and a built-in microphone for calls.

This image displays the Monster Blaster Micro speaker from a side angle, highlighting its compact design and the placement of the volume and power buttons. The speaker features a black casing with a red speaker grille visible through a perforated outer layer.
2. Setup
2.1 Charging the Speaker
Before first use, fully charge the speaker. Connect the provided USB-C charging cable to the speaker's charging port and to a USB power source (e.g., computer, wall adapter).

This image shows a hand connecting a USB-C charging cable to the Monster Blaster Micro speaker. This illustrates the process of charging the device, which is essential for its operation.
- The LED indicator will show charging status.
- A full charge provides up to 12 hours of playtime at 50% volume.
2.2 Power On/Off
- To Power On: Long press the 'O' (Power/Play/Pause) button until the LED indicator lights up.
- To Power Off: Long press the 'O' button until the LED indicator turns off.
2.3 Bluetooth Pairing
To connect the speaker to your device:
- Ensure the speaker is powered on and in pairing mode (LED indicator will flash).
- On your smartphone or other Bluetooth-enabled device, go to Bluetooth settings.
- Select 'Monster Blaster Micro' from the list of available devices.
- Once connected, the LED indicator will stop flashing and remain solid.

This image illustrates a smartphone's Bluetooth settings screen, showing 'Monster Hotshot Micro' (referring to the Blaster Micro) as a discoverable device, indicating the speaker is ready for pairing. This visual aid helps users connect their speaker to a mobile device.
3. Operating Instructions
3.1 Button Functions
The Monster Blaster Micro features intuitive buttons for easy control:

This diagram provides a clear overview of the speaker's side buttons and their corresponding functions. It details how to use the '+', 'O', and '-' buttons for volume control, track navigation, power, play/pause, and call management.
- '+' Button:
- Long press: Quickly increase volume
- Short press: Increase volume incrementally
- Double click: Next song
- 'O' Button (Power/Play/Pause):
- Long press: Power on/off
- Short press: Play/Pause music, Answer/Hang up calls
- Double click: Activate TWS pairing, Connect/Disconnect/Reject calls
- '-' Button:
- Long press: Quickly decrease volume
- Short press: Decrease volume incrementally
- Double click: Previous song
3.2 True Wireless Stereo (TWS) Pairing
You can pair two Monster Blaster Micro speakers together for a stereo sound experience:
- Ensure both speakers are powered on and not connected to any other Bluetooth device.
- On one speaker, double-click the 'O' button to enter TWS pairing mode. It will search for another speaker.
- The two speakers will automatically connect to each other. Once connected, one speaker will act as the left channel and the other as the right channel.
- Connect your device to the primary speaker via Bluetooth as described in Section 2.3.
3.3 Hands-Free Calling
When connected to a smartphone, the speaker's built-in microphone allows for hands-free calls:
- Answer Call: Short press the 'O' button.
- End Call: Short press the 'O' button during a call.
- Reject Call: Double-click the 'O' button when a call comes in.

This image shows a man wearing the Monster Blaster Micro speaker clipped to his shirt while performing a task, demonstrating the convenience of hands-free calling and audio playback during activities.
4. Maintenance
4.1 IPX7 Waterproofing
The Monster Blaster Micro speaker has an IPX7 waterproof rating, meaning it can be immersed in water up to 1 meter (3 feet) deep for up to 30 minutes. This makes it suitable for outdoor use and protection against rain or splashes.

This image depicts the Monster Blaster Micro speaker being splashed with water, visually confirming its IPX7 waterproof rating and suitability for use in wet environments.
- Ensure the charging port cover is securely closed before exposing the speaker to water.
- Always dry the speaker thoroughly before charging to prevent damage.
4.2 General Care
- Clean the speaker with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Store the speaker in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid dropping or subjecting the speaker to strong impacts.
5. Troubleshooting
If you encounter issues with your Monster Blaster Micro speaker, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Low battery. | Charge the speaker fully. |
| Cannot pair with Bluetooth device. | Speaker not in pairing mode; Bluetooth off on device. | Ensure speaker is powered on and LED is flashing. Turn on Bluetooth on your device and select 'Monster Blaster Micro'. |
| No sound or low volume. | Volume too low; speaker too far from device; obstacles. | Increase volume on both speaker and device. Move speaker closer to device. Remove obstacles. |
| TWS pairing fails. | Speakers already connected to other devices. | Disconnect both speakers from any Bluetooth devices before attempting TWS pairing. |
6. Specifications
Detailed technical specifications for the Monster Blaster Micro Speaker (Model D127):
| Feature | Detail |
|---|---|
| Model Name | D127 |
| Brand | Monster |
| Speaker Type | Built-In |
| Special Feature | Clip on |
| Recommended Uses | Indoor/Outdoor |
| Compatible Devices | Laptop, MP3 Player, Smartphone, Tablet |
| Surround Sound Channel Configuration | 2.0 |
| Color | Black |
| Product Dimensions (LxWxH) | 2"D x 2"W x 3"H |
| Water Resistance Level | IPX7 Waterproof |
| Control Method | Touch |
| Wireless Communication Technology | Bluetooth |
| Speaker Size | 2 Inches |
| Power Source | Battery Powered (1 A battery included) |
| Audio Driver Type | Dynamic Driver |
| Item Weight | 6.7 ounces |
| Speaker Maximum Output Power | 6 Watts |
| Connectivity Technology | Wireless |
| Audio Output Mode | Stereo |
7. Warranty and Support
7.1 Warranty Information
The Monster Blaster Micro Speaker comes with a Limited Warranty. Please refer to the warranty card included in your package or the manufacturer's official website for specific terms and conditions regarding warranty coverage and duration.
7.2 Customer Support
For further assistance, technical support, or warranty claims, please contact the retailer where you purchased the product or visit the official Monster website for customer service contact information.





