1. Introduction
Thank you for choosing the Monster Sparkle Bluetooth Speaker. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your speaker to ensure optimal performance and longevity. Please read this manual thoroughly before using the product.

The Monster Sparkle Bluetooth Speaker, featuring vibrant full-screen LED lighting.
Key Features:
- Pure Monster Sound & Stunning Bass: 120W peak power with a 2-inch tweeter and 5.25-inch subwoofer for an authentic audio experience.
- Full Panel Lighting Effects: 6 dynamic full-panel lighting modes to enhance your listening experience.
- Extended Playtime: Up to 24 hours of continuous playback on a single charge.
- Wireless Stereo Pairing: Connect two Monster Sparkle speakers for a combined 240W powerful stereo sound.
- Multiple Playback Options: Supports Bluetooth 5.3, AUX-in, TF Card, USB playback, and 6.35mm instrument input (e.g., microphone).
- Emergency Power Bank: Built-in large capacity battery can charge external devices via USB.
- IPX5 Waterproof: Resistant to water splashes, sprays, and rain, suitable for outdoor use.
2. Setup
2.1 Unboxing and Initial Inspection
Carefully remove the speaker and all accessories from the packaging. Verify that all included components are present:
- Monster Sparkle Bluetooth Speaker
- USB-C Charging Cable
- 3.5mm AUX Cable
- User Manual (this document)
2.2 Charging the Speaker
Before first use, fully charge the speaker. Connect the provided USB-C charging cable to the speaker's USB-C port and the other end to a compatible USB power adapter (not included). The charging indicator will show the charging status. A full charge provides approximately 24 hours of playtime (at 50% volume with lights off).

The speaker offers up to 24 hours of playtime, ensuring long-lasting entertainment.
2.3 Powering On/Off
Press and hold the Power button on the control panel for 2-3 seconds to turn the speaker ON or OFF. A sound prompt will indicate the power status.
2.4 Bluetooth Pairing
The Monster Sparkle speaker uses Bluetooth 5.3 for stable and efficient wireless connection.
- Turn on the speaker. It will automatically enter Bluetooth pairing mode, indicated by a flashing LED light.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "Monster Sparkle" from the list of devices.
- Once connected, the speaker will emit a confirmation sound, and the LED light will stop flashing.
Seamlessly connect your device to the speaker using advanced Bluetooth 5.3 technology.
2.5 True Wireless Stereo (TWS) Pairing
For an enhanced audio experience, you can pair two Monster Sparkle speakers together to create a 240W powerful stereo system.
- Ensure both Monster Sparkle speakers are powered on and not connected to any other Bluetooth device.
- On one speaker (this will be the primary speaker), press and hold the TWS pairing button (often indicated by a chain link icon) for 2-3 seconds.
- The primary speaker will search for the secondary speaker. Once connected, both speakers will emit a confirmation sound.
- Now, connect your device to the primary speaker via Bluetooth as described in section 2.4. Audio will play through both speakers in stereo.
Experience immersive sound by pairing two speakers for a true wireless stereo setup.
3. Operating the Speaker
3.1 Control Panel Functions
The control panel on top of the speaker provides easy access to various functions:
Overview of the speaker's control panel buttons and their respective functions.
- Power Button: Press and hold to turn ON/OFF.
- Play/Pause Button: Press to play or pause audio.
- Previous Track Button: Press to go to the previous song.
- Next Track Button: Press to go to the next song.
- Volume Down (-): Press to decrease volume.
- Volume Up (+): Press to increase volume.
- Pairing/Disconnecting Button: Press to initiate TWS pairing or disconnect Bluetooth.
- Bass Boost Button: Press to activate or deactivate enhanced bass.
- Light On/Off Button: Press to cycle through light modes or turn lights off.
3.2 Full Panel Lighting Effects
The Monster Sparkle speaker features 6 full-panel lighting effects that synchronize with your music. Press the Light On/Off button to switch between different lighting modes or to turn the lights off completely.
Explore 6 full-screen LED effects to create a vibrant atmosphere.
3.3 Multiple Input Modes
In addition to Bluetooth, the speaker supports various wired input options:
Detailed view of the speaker's input and output ports for versatile connectivity.
- AUX In: Connect external audio devices (e.g., TV, laptop, MP3 player) using the provided 3.5mm AUX cable.
- USB Playback: Insert a USB flash drive into the USB port to play audio files directly from the drive.
- TF Card Playback: Insert a TF (microSD) card into the designated slot to play audio files.
- MIC In: Connect a 6.35mm microphone for karaoke or public speaking.
3.4 Emergency Power Bank Function
The speaker's large-capacity battery can also serve as an emergency power bank. Connect your mobile device to the speaker's USB port using your device's charging cable to charge it.
4. Maintenance
4.1 Cleaning
To clean the speaker, use a soft, dry, lint-free cloth. Do not use abrasive cleaners, solvents, or strong chemicals, as they may damage the surface or internal components. For stubborn dirt, lightly dampen the cloth with water and wipe gently, then dry immediately.
4.2 Storage
When not in use for extended periods, store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. It is recommended to charge the speaker fully before storing and to recharge it every few months to maintain battery health.
4.3 Water Resistance (IPX5)
The Monster Sparkle speaker is IPX5 waterproof, meaning it can resist water splashes, light rain, and spray. Do not submerge the speaker in water or expose it to strong jets of water. Ensure all port covers are securely closed before exposing the speaker to moisture.
The IPX5 waterproof rating protects the speaker from splashes and rain, making it suitable for outdoor use.
5. Troubleshooting
If you encounter issues with your Monster Sparkle speaker, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not turn on. | Low battery; Power button not pressed long enough. | Charge the speaker fully. Press and hold the Power button for 2-3 seconds. |
| No sound from speaker. | Volume too low; Device not connected; Incorrect input mode. | Increase speaker and device volume. Ensure Bluetooth is connected or AUX/USB/TF card is properly inserted. |
| Bluetooth pairing fails. | Speaker not in pairing mode; Device too far; Interference. | Ensure speaker is in pairing mode (flashing LED). Move device closer to speaker. Turn off other Bluetooth devices nearby. |
| TWS pairing fails. | Speakers already connected to other devices; Speakers too far apart. | Ensure both speakers are disconnected from other devices. Place speakers close to each other during TWS pairing. |
| Sound distortion. | Volume too high; Low battery. | Reduce volume. Charge the speaker. |
| Lights not working. | Lights turned off. | Press the Light On/Off button to activate the lighting effects. |
If the problem persists after trying these solutions, please contact Monster customer support for further assistance.
6. Specifications
Detailed technical specifications for the Monster Sparkle Bluetooth Speaker:
Physical dimensions of the Monster Sparkle speaker.
| Feature | Detail |
|---|---|
| Model Name | M172 |
| Speaker Type | Portable Bluetooth Speaker |
| Speaker Maximum Output Power | 120 Watts (Peak) |
| Connectivity Technology | Bluetooth 5.3, AUX, USB, TF Card, 6.35mm MIC In |
| Audio Output Mode | Stereo (with TWS pairing) |
| Battery Life | Up to 24 Hours (at 50% volume, lights off) |
| Waterproof Rating | IPX5 |
| Product Dimensions (L x W x H) | 5D x 37W x 22H Centimetres (approx. 14cm x 12cm x 24cm) |
| Item Weight | 3.5 kg |
| Material | Plastic |
| Included Components | Speaker, USB-C Charging Cable, 3.5mm AUX Cable, User Manual |
7. Warranty and Support
7.1 Warranty Information
The Monster Sparkle Bluetooth Speaker is covered by a manufacturer's warranty. Please refer to the warranty card included in your product packaging or visit the official Monster website for detailed warranty terms and conditions. Keep your purchase receipt as proof of purchase for warranty claims.
7.2 Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Monster customer support. You can find contact information on the official Monster website or through the retailer where you purchased the product.
Visit the Monster Store for more information and product updates.





