Leakage voice suppression microphone ‘mutalk’

US $139
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“mutalk" is a soundproof Bluetooth microphone that isolates your voice, making it difficult for others to hear and preventing ambient noise from being picked up while you speak.

Conference calls in a quiet office or open spaces, such as a cafe, can be disturbing to those around you and may lead to leaked information. Voice chats on the Metaverse or online games can also cause you to shout when things get exciting, which can be extremely annoying for your family or neighbors.

Soundproof boxes are one way to avoid such situations, but they can be expensive and take up a lot of space. "mutalk," the soundproof Bluetooth microphone, provides an inexpensive and space-saving solution to this problem.

To use "mutalk," simply place it upright on your desk to automatically mute the microphone, and place it over your mouth when you want to use it. "mutalk" can be connected with smartphones via Bluetooth as well. The included head-band can be used to secure the device to your head, allowing for hands-free conversation when your hands are full.

Utilizes Helmholtz resonator to achieve a muffling effect of -20 decibels or more

"mutalk" utilizes the Helmholtz resonator principle to achieve a significant sound muting effect despite its small size.
When used in a normal ambient setting, the users voice is reduced to a level where a person sitting next to you would not be able to hear what is being said.
In high frequency range (1,600 Hz to 2,000 Hz), such as shouting, the sound is muffled by about -30 decibels.
*Since it is difficult to convey nasal sounds, your voice may sound slightly different from your normal speaking voice.

Bluetooth microphone for various situations

Automatic mute feature for online meetings
‘mutalk’ will automatically mute when placed upright on a desk or flat surface, and unmute itself when placed over the mouth.
Can be used as Bluetooth Headset
When an earphone is connected to the 3.5mm jack on mutalk, it can hear the incoming voice/sound and use mutalk by itself as a Bluetooth headset. This is useful when connecting to smartphones and tablets, where separate microphone and earphone devices cannot be configured.
Removable head-band allows hands-free use
A removable head-band is Included that is for hands free use with online games, VR, and other applications. By using the band, you can use the controller to play games, or take calls while typing or taking notes on a PC.

Hygiene-conscious, removable mouth pad

The mouth pad and the moisture absorbing cushion are both removable and can be washed in water.


Product name
Part number
US $139
Battery Life
8 hours or more
Charging method
USB Type-C
Charging time Approx. 1 hour
Mic Input Sensitivity
Mic Frequency Response
183g (6.4oz)*Main unit only
Bluetooth® Ver.5.1
Supported profiles
Earphone jacks
3.5mm stereo mini
Supported OS
Windows 10 or later
macOS v11 or later / macOS v10.13 or later
iOS 13.4 or later / iPadOS 13.4 or later
Android 10 or later
App Supported OS
iOS13.4 or later / Android 10 or later
mutalk main unit, mouth pad, moisture absorbing cushion, head-band, USB cable, Documents (Safety Guide / Warranty)
*All company and product names mentioned on this site are trademarks or registered trademarks of their respective companies.
*Specifications will be modified when launched.