It is a MIDI controlled looper that allows you to control your analog pedals (Boss, MXR, ...) in your preset Midi!
It includes 4 separate loops, which allows great flexibility.
It works great, I fed with a Fuel Tank Chameleon, and there is no particular background, contrary to what I've read.
One drawback, however, no Midi Out LEDs that could cool my pedal, and tell me whether a particular loop (about 4) is open or closed.
NOTE: The background noise often come from a mass problem, this problem has been canceled due to isolated outputs of the Fuel Tank + with isolated outputs of my Phonic PPC9000E.
Do not rely on the prejudice of the Polish factory, it's really quality. In addition, the staff is very friendly and responds quickly to your questions (for my part, I bought it new on eBay, their official shop).
No worries, he will not answer you in Polish) was able to communicate well in English.
If you want details on the operation, go to their official website, the PDF manual is very clear and concise.