TB401 transparents operimentum mechanica universalis metronome

Hoc metronome adoptat popularibus pyramidis informibus classic consilio, cum Piano et tenebris lignum frumenti metam addere elegantiam. The rhythm tolerance is only 0.08%, which can ensure accurate timing, reduce frustration during practice and build confidence on the stage.The precision movement of this metronome is durable, adopts spring mechanism, and does not need to buy batteries, saving money and protecting in environment.