Introduction
Thank you for purchasing the Linktech M405 Premium Extra Bass Bluetooth Speaker with Microphone. This manual provides essential information for the safe and efficient use of your device. Please read this manual thoroughly before operating the speaker and retain it for future reference.
Package Contents
- Linktech M405 Bluetooth Speaker
- Microphone
- Remote Control
- Power Adapter/Charging Cable
- User Manual (This document)
Product Overview
Familiarize yourself with the components of your Linktech M405 speaker system.

Figure 1: Linktech M405 Bluetooth Speaker mounted on its stand, showcasing its full setup for optimal sound projection. The speaker features a distinctive circular LED light pattern on its front grille.

Figure 2: The Linktech M405 Bluetooth Speaker accompanied by its wireless microphone and remote control, highlighting the complete accessory package for versatile use.

Figure 3: A close-up front view of the Linktech M405 Bluetooth Speaker, emphasizing the speaker grille and the central Linktech logo with its vibrant, multi-colored LED ring illumination.
Setup Guide
1. Unpacking and Placement
- Carefully remove all components from the packaging.
- Place the speaker on a stable, flat surface or securely mount it on the provided stand. Ensure adequate ventilation around the speaker.
2. Power Connection
- Connect the power adapter to the speaker's power input port.
- Plug the power adapter into a suitable wall outlet.
- Press the power button to turn on the speaker. An indicator light will illuminate.
3. Initial Charge
For optimal battery life, fully charge the speaker before its first use. The charging indicator will change once fully charged.
Operating Instructions
Bluetooth Pairing
- Ensure the speaker is powered on.
- Activate Bluetooth on your mobile device (smartphone, tablet, etc.).
- Search for available Bluetooth devices. The speaker will appear as "Linktech M405".
- Select "Linktech M405" to pair. A confirmation sound will indicate successful pairing.
- Once paired, you can play audio from your device through the speaker.
Using the Microphone
- Turn on the microphone (if it has a separate power switch).
- Ensure the microphone is connected to the speaker (either wirelessly or via cable, depending on the microphone type).
- Adjust the microphone volume using the dedicated controls on the speaker or remote control.
Remote Control Functions
The remote control allows for convenient operation from a distance. Common functions include:
- Power On/Off
- Volume Up/Down
- Play/Pause
- Next/Previous Track
- Mode Selection (Bluetooth, AUX, USB, etc. - if applicable)
- Microphone Volume Control
LED Light Modes
The Linktech M405 features dynamic LED lighting. Use the dedicated button on the speaker or remote control to cycle through different light modes or turn them off.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the speaker's exterior. Do not use abrasive cleaners, waxes, or solvents.
- Storage: When not in use for extended periods, store the speaker in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Recharge the speaker regularly, even if not in use.
- Water Exposure: This speaker is not waterproof. Avoid exposure to water or excessive moisture.
Troubleshooting
| Problem | Possible Solution |
|---|---|
| Speaker does not turn on. |
|
| Cannot pair via Bluetooth. |
|
| No sound or low volume. |
|
| Microphone not working. |
|
Specifications
| Feature | Detail |
|---|---|
| Brand | LinkTech |
| Model Name | M405 |
| Mounting Type | Stand |
| Color | Black |
| Connectivity Technology | Bluetooth |
| Special Features | Extra Bass, Integrated Microphone, LED Lighting |
| Manufacturer | Linktech |
| Part Number | M405 |
| ASIN | B0DZ2RRJQR |
| First Available Date | March 3, 2025 |
Safety Information
- Do not expose the speaker to extreme temperatures, direct sunlight, or high humidity.
- Avoid dropping or subjecting the speaker to strong impacts.
- Do not attempt to disassemble or modify the speaker. This will void the warranty and may cause damage.
- Keep the speaker away from children and pets.
- Use only the provided or recommended power adapter for charging.
- Prolonged listening at high volumes may cause hearing damage.
Warranty and Support
LinkTech products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official LinkTech website. Please have your model number (M405) and purchase details ready when contacting support.
Note: Warranty terms may vary by region and retailer.





