Overdrive is not a doubt about it.
The use is very simple, as 99% of a Level overdrive, a Tone and Gain (Voice call here as the Zendrive). There are in addition a micro switch to activate a "brigt".
Turns and looks for her. Simple, but effective.
It goes from clean boost to medium overdrive. No saturated fat, it's still sweet.
It has a grain of its own, different from a Zendrive, even if the idea or n is closer to it than a TS-9.
Miniaturized really extreme. But despite its small size, no particular difficulty, the knobs are visible, the switch practice.
A hangover from hell. Very good little pedal that allows a pedalbord ultra light.