This is a balanced headset but, unfortunately, with a far too retro look – despite the exchangeable covers we do not approve of its resemblance to manufacturer’s models of years ago. The lack of DSP is a problem in windy environments for a headset that can otherwise be distinguished for offering a very good sound. One should not underestimate the low comfort during wearing the set, either.
Next stop: Brazil, 1978 It was Nelson G. Bardini, a Brazilian scientist, who developed
the inductive technology used in calling cards. This technology involved a system
that used a series of small coils embedded in the phone card. One of the coils was
designed to burn out after the time on the card had been used up. Although created
in 1978, this technology wasn’t presented to the world until the national inventors’
exhibition in 1982.

calling card