A small condenser microphone on flexible clamp cardio, I use it to:
right and left hands chromatic or diatonic accordion, violin, soprano sax, clarinet Bb, hurdy-gurdy ...
Comes with a box that can receive a battery and offer a low-cut filter.

OVERALL OPINION

Top of the microphone jack of all! He résoluu many problems!
Very good quality / price ratio.
I was 4, I have to buy 2 ...