Mechanical Metronome, Swing Metronome Box ssic for Guitar Piano(White)

It is easy to use even for children and beginners: remove the brakes, lower the lid, adjust the rhythm and rhythm, then use it; single average full wind (2160 clicks) lasts at least 18 minutes, depending on the pace; Easily play your favorite music! - This mechanical metronome helps you develop and maintain your rhythm, play with precision and improve your musical awareness. Amazing Features: Sound clicks and ringtones to keep the pace while reading sheet music, winding mechanism produces beat, no battery required; Speed range: 40-208bpm; Break selection: 0, 2, 3, 4, 6. Applies to most musical instruments - When you practice piano, violin, guitar, bass, drums and other instruments, it creates more accurate rhythms. Classic style, black or white plastic case with bells.