https://www.vokkero.com/en/

Vokkero, the reference for communication systems for mobile teams, in sport, pro audio, industry and services.Vokkero, for improving decision-making in a fraught environment.

Communication systems (such as intercoms, earpieces, radio walkie talkies...) allow several users to createan instant, permanent and secure audio conference. A hands-free system, it requires no fixed relay. They can be used easily, intuitively and economically as they help to improve decision-making.