Monster Trio
Monster Trio Multi Qi Charging Bluetooth Speaker User Manual
Model: Trio
Introduction
The Monster Trio is a versatile device combining a powerful Bluetooth speaker with multiple charging options, an LED clock display, and customizable RGB lighting. It features two Qi wireless charging pads, two USB charging ports, and a built-in speakerphone for hands-free calls. This manual provides detailed instructions for setting up and operating your Monster Trio.
Package Contents
- Monster Trio Multi Qi Charging Bluetooth Speaker
- Power Adapter
- User Manual (this document)
Product Overview
Familiarize yourself with the various components and controls of your Monster Trio.

Figure 1: Front View. This image shows the front of the Monster Trio, highlighting the digital LED clock display, the control buttons below it, and the two Qi wireless charging pads on the angled top surface.

Figure 2: Rear View. This image displays the back of the Monster Trio, featuring two USB charging ports and the power input jack at the bottom. A ventilation grille is visible above the ports.
Control Buttons:
- Power Button (⏻): Press and hold to power on/off. Short press to change modes (Bluetooth, Aux).
- Brightness/RGB Light Button (☀): Short press to adjust LED display brightness. Long press to cycle RGB light modes.
- Volume Down / Previous Track (-): Short press to decrease volume. Long press for previous track in Bluetooth mode.
- Play/Pause / Call Answer/End (+): Short press to play/pause music. Short press to answer/end calls. Long press to reject calls.
- Volume Up / Next Track (>): Short press to increase volume. Long press for next track in Bluetooth mode.
- Clock/Alarm Setting Button (⏱): Press to enter clock setting mode. Long press to set alarm.
Setup
- Power Connection: Connect the provided power adapter to the DC IN port on the back of the Monster Trio. Plug the adapter into a standard wall outlet. The device will power on automatically and the LED clock display will illuminate.
- Initial Clock Setting: Upon first power-on, the clock may need to be set. Refer to the "Clock and Alarm Settings" section for detailed instructions.
Operating Instructions
Power On/Off
- To power on, press and hold the Power button (⏻) for approximately 3 seconds.
- To power off, press and hold the Power button (⏻) for approximately 3 seconds.
Bluetooth Pairing
- Ensure the Monster Trio is powered on. It will automatically enter Bluetooth pairing mode, indicated by a flashing Bluetooth icon on the LED display.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "Monster Trio" from the list of devices.
- Once paired, the Bluetooth icon on the Monster Trio display will stop flashing and remain solid. You can now play audio through the speaker.
- To disconnect, disable Bluetooth on your mobile device or power off the Monster Trio.
Charging Devices
The Monster Trio offers multiple ways to charge your compatible devices.
Qi Wireless Charging:
- Place your Qi-compatible smartphone or other device directly onto one of the two Qi charging pads located on the top surface of the Monster Trio.
- Ensure the device is centered on the charging pad for optimal charging.
- A charging indicator on your device will confirm that wireless charging has begun.

Figure 3: Charging Multiple Devices. This image demonstrates the Monster Trio simultaneously charging two smartphones on its wireless pads and an Apple Watch on its dedicated side mount (Apple Watch charger not included).
USB Charging:
- Connect your device's USB charging cable to one of the two USB ports located on the back of the Monster Trio.
- Connect the other end of the cable to your device. Charging will begin automatically.
Clock and Alarm Settings
Setting the Clock:
- Short press the Clock/Alarm Setting button (⏱). The hour digits will flash.
- Use the Volume Up (>) and Volume Down (-) buttons to adjust the hour.
- Press the Clock/Alarm Setting button (⏱) again to confirm the hour. The minute digits will flash.
- Use the Volume Up (>) and Volume Down (-) buttons to adjust the minutes.
- Press the Clock/Alarm Setting button (⏱) one more time to confirm the minutes and exit clock setting mode.
Setting the Alarm:
- Long press the Clock/Alarm Setting button (⏱) for approximately 3 seconds. The alarm hour digits will flash.
- Use the Volume Up (>) and Volume Down (-) buttons to adjust the alarm hour.
- Press the Clock/Alarm Setting button (⏱) again to confirm the alarm hour. The alarm minute digits will flash.
- Use the Volume Up (>) and Volume Down (-) buttons to adjust the alarm minutes.
- Press the Clock/Alarm Setting button (⏱) one more time to confirm the alarm minutes and activate the alarm. An alarm icon will appear on the display.
- To deactivate the alarm, long press the Clock/Alarm Setting button (⏱) again until the alarm icon disappears.
RGB Light Control
- Long press the Brightness/RGB Light button (☀) to cycle through various RGB light modes and colors.
- Continue pressing until you find your desired light effect or to turn the RGB lights off.
Speakerphone Function
- When a call is received while your phone is connected via Bluetooth, the Monster Trio will ring.
- Short press the Play/Pause / Call Answer/End button (+) to answer the call.
- Speak into the built-in microphone on the Monster Trio.
- Short press the Play/Pause / Call Answer/End button (+) again to end the call.
- To reject an incoming call, long press the Play/Pause / Call Answer/End button (+).
Maintenance
- Cleaning: Use a soft, dry cloth to clean the surface of the Monster Trio. Do not use liquid cleaners or abrasive materials.
- Storage: When not in use for extended periods, store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- Avoid Water: This device is not waterproof. Keep it away from water and other liquids.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | Not connected to power; power adapter faulty. | Ensure the power adapter is securely connected to both the device and a working wall outlet. Try a different outlet. |
| Cannot pair via Bluetooth. | Bluetooth not enabled on device; Monster Trio not in pairing mode; too far from device. | Ensure Bluetooth is enabled on your mobile device. Power cycle the Monster Trio to re-enter pairing mode. Move your device closer to the Monster Trio. |
| Wireless charging not working. | Device not Qi-compatible; device not centered; phone case too thick. | Verify your device supports Qi wireless charging. Reposition the device on the charging pad. Remove thick phone cases. |
| Unexpected sounds or light shows (e.g., "POWER ON, BLUETOOTH, PAIRING!"). | Interference; internal malfunction. | Try moving the device away from other electronics. If the issue persists, power cycle the device. If the problem continues, contact customer support. |
Specifications
- Brand: Monster
- Model: Trio
- Color: Black
- Wattage: 20 watts (Speaker Output)
- Wireless Charging: Dual Qi Pads
- USB Charging Ports: 2
- Hardware Interface: USB
- Compatible Devices: Smartphones, Tablets, Laptops with USB or Wireless Charging Capabilities
- GTIN: 827396540978
- ASIN: B0818LCZ9F

Figure 4: Bottom View with Specifications. This image shows the bottom of the Monster Trio, displaying the product label which includes the model number (MNTR10), input power (DC 12V/4A), and various regulatory compliance marks.
Safety Information
- Do not expose the device to extreme temperatures, direct sunlight, or high humidity.
- Do not disassemble, modify, or attempt to repair the device yourself. This may void the warranty and pose safety risks.
- Keep the device away from children and pets.
- Use only the provided power adapter. Using unauthorized adapters may damage the device or cause fire/electric shock.
- Avoid placing metal objects on the wireless charging pads, as this can cause overheating.
Warranty and Support
For warranty information and technical support, please refer to the official Monster website or contact their customer service directly. Keep your purchase receipt as proof of purchase.
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