Timing problems Practicing metronome annoying The Mooer Microdrummer is the solution. This tiny "knocking ghost" in a space-saving mini-format can still find some space on the most crowded pedalboard. The Microdrummers features are quite extensive: 11 different genres (PP: Pop; RC: Rock; MT: Metal; BL: Blues; RB: R & B; JZ: Jazz, FK: radio; LT: Latin; RG: Reggae; PK: punk; TP: Tempo (metronome)) with 11 patterns are available. The tempo, volume and sound can be adjusted via the potentiometer. The pedal can also be adjusted in speed with tap tempo.