1. Introduction
Thank you for choosing the MAIRDI M806UC USB Headset. This manual provides detailed instructions for setting up, operating, and maintaining your headset to ensure optimal performance. Please read this manual thoroughly before use.
2. Package Contents
- MAIRDI M806UC USB Headset with Microphone
- Carrying Bag

Image: MAIRDI USB Headset and carrying bag.
3. Product Features
- Wideband Audio and Noise-Canceling Microphone: Equipped with advanced algorithm noise-canceling technology and a powerful 40mm speaker driver, this headset delivers crystal-clear voice communication and impressive HD natural sound. DSP technology optimizes speaker sound and microphone voice for clear communication.
- Plug and Play Connectivity: No drivers are needed. Simply connect the headset to a USB-compatible device.
- Comfortable Design: Features plush soft protein leatherette over-ear cushions, an adjustable headband, and ear pieces that rotate 180 degrees for extended wear. The microphone arm is 330-degree rotatable, allowing use on either the left or right side.
- Durable Construction: Lightweight yet tough, designed with superior quality components and reliable ABS plastic parts. The reinforced cord with Kevlar withstands demanding environments.
- Convenient In-Line Controls: Easy access to volume up/down, microphone mute, and call answer/end functions.

Image: Exploded view illustrating the 40mm speaker driver for wideband audio.

Image: Graph showing noise reduction performance of the microphone.

Image: Features highlighting the adjustable headband, rotatable ear pieces, and soft leather ear cushions for comfort.
4. Setup
4.1 Connecting the Headset
The MAIRDI M806UC headset is designed for plug-and-play functionality. Simply connect the USB-A plug to an available USB port on your computer (PC, Laptop, Desktop, Mac).
4.2 Initial Setup (Windows)
- From the Start Menu, select Desktop Tile.
- From the Charms Menu, select Settings/Control Panel/Hardware and Sound.
- Go to Sound/Playback tab.
- Choose "UC USB Headset".
- Click "Set Default", then click "OK".
- Go to Sound/Recording tab.
- Choose "UC USB Headset".
- Click "Set Default", and then click "OK".
- Click Properties > Levels. Ensure the microphone is unmuted and the volume is high enough.
4.3 Initial Setup (Mac OS X)
- Open System Preferences and select Sound.
- Select the Input tab, and then choose "UC USB Headset".
- Select the Output tab, and then choose the "UC Headset".
- Close the window.
Video: This video demonstrates the physical setup and initial configuration of the MAIRDI USB Headset, including connecting to a computer and adjusting settings.
5. Operating Instructions
5.1 In-Line Controls
The headset features an in-line control unit for easy management of audio and calls:
- Volume Up (+): Press to increase listening volume.
- Volume Down (-): Press to decrease listening volume.
- Microphone Mute: Press to mute or unmute the microphone. An indicator light will show the mute status.
- Call Button: Press to answer or end calls (functionality may vary with specific software).

Image: Diagram detailing the functions of the in-line audio control buttons.
5.2 Microphone Adjustment
The microphone arm is flexible and can be rotated 330 degrees. Adjust it to a comfortable position near your mouth for optimal voice pickup. When not in use, the microphone can be rotated upwards and out of the way.
6. Compatibility
The MAIRDI M806UC USB Headset is compatible with a wide range of devices and communication platforms:
- Operating Systems: PC (Windows), Laptop, Desktop, Mac.
- Applications: Dragon Nuance Speaking, Skype, Jabber, Microsoft Teams, Lync, Zoom, and other softphone VoIP applications.
- Uses: Voice recording, video conferencing, language learning, and music enjoyment.

Image: Examples of headset use in various professional and personal settings.
7. Maintenance
- Cleaning: Wipe the headset with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials.
- Storage: Store the headset in its provided carrying bag when not in use to protect it from dust and damage.
- Cable Care: Avoid sharp bends or excessive pulling on the cable to prevent internal damage.
8. Troubleshooting
8.1 No Sound Output or Microphone Input
If your computer does not automatically recognize the headset or output sound, follow these steps:
- Ensure the USB plug is securely connected to a working USB port.
- Verify that the headset is selected as the default audio input and output device in your computer's sound settings (refer to Section 4.2 or 4.3 for Windows/Mac instructions).
- Check the in-line controls to ensure the volume is not muted or set too low.
- Restart your computer and try reconnecting the headset.
8.2 Poor Audio Quality
- Ensure the microphone is positioned correctly near your mouth.
- Check for any software-based audio enhancements or equalizers that might be affecting sound quality and disable them if necessary.
- Test the headset on a different USB port or computer to rule out port or system-specific issues.
9. Specifications
| Feature | Detail |
|---|---|
| Model Name | M806UC USB Headset |
| Connectivity Technology | Wired (USB-A) |
| Noise Control | Sound Isolation, Noise Cancellation (Microphone) |
| Audio Driver Size | 40 Millimeters |
| Material | Leather, Metal, Plastic, Stainless Steel |
| Item Weight | 5.8 ounces |
| Product Dimensions | 7.87 x 6.3 x 3.15 inches |
| Special Features | Advanced DSP Technology, Crystal Clear Voice, In-built sound and voice optimization sound card, Noise Canceling Microphone, Wideband Audio Solution |
| Control Type | Volume Control, Microphone Mute, Call Button |
| UPC | 712492436259 |
10. Warranty & Support
The MAIRDI M806UC USB Headset comes with a 2-year warranty. If you encounter any questions or problems while using the headset, please contact MAIRDI customer service for assistance. We aim to respond within 24 hours.