This is one of pedals true bypass loop. You have an old Colorsound food that your sound stopping? Put it in the loop of the loop and Marble you from the CONTRL The switch is a "six points" true bypass rel. The pedals also works well trs no source of energy, except for seeing ...

I use it for 1 month. She is tiny! (See the size of the jack sockets on the photo) and trs Integrates easily on a pedalboard. So small that it is only supplied by external power supply, no room for a battery in it!
She is pretty and trs trs well over!

The price? 39 euros! Qualitprix Excellent!