The Japanese start-up Donut Robotics has developed a face mask that can be connected to a smartphone via Bluetooth.
The so-called C-Mask is visually reminiscent of a classic mouth-and-nose mask, but has a built-in speaker above the mouth. The mask can be connected via the associated application and used as a hands-free system. For example, users can record a short message, which is formulated by the application and sent to the desired addressee. The mask is intended in particular to reduce the risk of infection when using mobile phones in public places.
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