WIRELESS MICRO HEARING ROOM FOR GSM PHONE – PROFI PRODUCT 649-L
The wireless invisible micro-handset is a top-notch hi-tech product of the highest quality. It is used for hidden communication. Thanks to the miniature dimensions, it is applied directly to the ear canal and the signal is transmitted to it via a magnetic VF loop, which is applied around the neck under the clothing. The magnetic loop also contains a microphone and is connected to a mobile phone.
This is first the audio signal is converted into a magnetic signal, and then transferred to a conventional profi earpedo.
This system is actually something like invisible handsfree. No one will notice you have it. Ensures maximum comfortable and discreet communication. The sound is clear and loud enough.