It is small it fits on the side of my head thanks to the small roadster pad members.
Just plugged in, it works immediately and without hassle. It's perfect in use.
It's still a bit expensive for my taste, but it's worth it.
The best thing is that it allows for programming: it started automatically midi channel 2 while I was in fact multi midi channel 1. So I can do programming with my Behringer FCB1010 MIDI foot controller.
A good investment.
Pb only for me, the power supply sector very average.