Linrax M1 Mechanical Metronome for Piano Guitar
Linrax M1 Mechanical Metronome for Piano Guitar Bass Ukulele Drum Violin Cello Saxophone Trumpet and Other Musical Instruments, Track Tempo and Beat, Loud Sound, High Precision, Black 【SIMPLE OPERATION】: It is easy to use for beginners and children and greatly improve sense of rhythm. Take out the cover and brake, simply choose the beat and tempo, then wind up the...