1. Introducció
This manual provides detailed instructions for the MAIRDI USB Headset M890DUC. This headset is designed for clear communication in various environments, including PC, laptop, office, and call center applications. It features a noise-canceling microphone and wideband audio for enhanced sound quality.
2. Contingut del paquet
- 1 x MAIRDI USB Headset M890DUC

3. Configuració i connexió
3.1 Connexió dels auriculars
- Locate an available USB-A port on your computer (PC, laptop, desktop, Mac).
- Plug the USB-A connector of the headset into the USB port.
- The headset is plug-and-play; no additional drivers are typically required. Your operating system should automatically detect and configure the device.
- Verify the headset is selected as the default audio input and output device in your computer's sound settings.

4. Instruccions de funcionament
4.1 Controls en línia
The headset features an in-line control unit for convenient audio management:
- Botó per pujar el volum (+): Premeu per augmentar el volum d'escolta.
- Botó per baixar el volum (-): Premeu per reduir el volum d'escolta.
- Botó de silenci del micròfon: Press to mute or unmute the microphone. A red indicator light typically signifies that the microphone is muted.
- Botó de trucada: This button may function as an answer/end call button depending on the software application used.

4.2 Microphone Adjustment
The microphone arm is designed to be 330-degree rotatable, allowing you to wear the headset on either your left or right side. Position the microphone approximately 1-2 inches from your mouth for optimal voice pickup.

4.3 Com portar els auriculars
Adjust the headband to fit comfortably over your head. The plush soft protein leatherette ear cushions are designed for extended wear. The ear pieces are 180-degree rotatable to ensure a proper fit.

5. Característiques clau
5.1 Noise-Canceling Microphone
The headset incorporates advanced noise-canceling technology in its microphone to reduce background noise, ensuring clear voice transmission during calls, even in noisy environments.

5.2 Wideband Audio
Equipped with powerful 40mm speaker drivers and a wideband audio solution, the headset delivers high-definition natural clear sound. An integrated USB chip with DSP technology optimizes both speaker sound and microphone voice for clear communication.

5.3 Durabilitat
The headset is constructed with lightweight yet tough materials, featuring a reinforced cord built with Kevlar to withstand daily use and demanding environments.
6. Manteniment
Per garantir la longevitat i el rendiment òptim dels auriculars, seguiu aquestes pautes de manteniment:
- Netegeu els coixins de les orelles i la diadema regularment amb un drap suau i sec.
- Eviteu exposar els auriculars a temperatures extremes, humitat o llum solar directa.
- No utilitzeu productes químics ni productes de neteja abrasius.
- Store the headset in a clean, dry place when not in use.
7. Solució De Problemes
If you encounter issues with your MAIRDI USB Headset, refer to the following common solutions:
- No Sound or Microphone Not Working:
- Assegureu-vos que el connector USB estigui completament inserit al port.
- Check your computer's sound settings to confirm the MAIRDI headset is selected as the default playback and recording device.
- Verify the microphone mute button on the in-line control is not activated.
- Try connecting the headset to a different USB port or another computer to rule out port or system issues.
- Poor Audio Quality (Static, Crackling, Low Volume):
- Adjust the volume using the in-line controls and your computer's system volume.
- Ensure the microphone is positioned correctly, about 1-2 inches from your mouth.
- Avoid placing the headset near sources of electromagnetic interference.
- If using communication software (e.g., Zoom, Teams), check its audio settings.
- In-Line Controls Not Responding:
- Ensure the headset is properly connected to the USB port.
- Restart the application or computer.
8. Especificacions tècniques
| Característica | Detall |
|---|---|
| Nom del model | M890DUC USB Headset |
| Tecnologia de connectivitat | Amb cable (USB) |
| Conector d'auriculars | USB |
| Interfície del dispositiu d'entrada | USB |
| Funcions de control de soroll | Cancel·lació activa de soroll (micròfon) |
| Tipus de controlador d'àudio | Conductor dinàmic |
| Forma de l'auricular | Sobre l'orella |
| Tipus de control | Volume Control, Microphone Mute, Call Button |
| Micròfon | Noise Canceling, 330° Rotatable Arm |
| Coixinets per a les orelles | Protein Leatherette |
| Diadema | Adjustable, Leather Buffer Pad |
| Dispositius compatibles | PC, Laptop, Desktop (Windows, Mac) |
| Pes de l'article | 105 grams (3.7 unces) |
| Material | Leather, Metal, Plastic, Stainless Steel |
| Color | Negre |
| UPC | 824917866111 |
9. Garantia i Suport
MAIRDI provides a 2-year warranty for this conference call headset. In case of any questions or problems during the use of the PC headphone, please contact MAIRDI customer support. They aim to reply within 24 hours.
For further assistance, please visit the official MAIRDI weblloc web o consulteu la documentació de compra per obtenir les dades de contacte.