HOSEYIN Mechanical Metronome, Universal Metronome for Piano, Guitar, Violin, and Other Instruments (standard, Black)

SATISFACTION GUARANTEE：30-day unconditional returns and 1-year manufacturer product warranty EASY TO USE：Beginners and children can also easily use and greatly improve their sense of rhythm MULTIPLE COLORS：multiple colors to choose from to meet your individual color needs ACCURTA AND DURABLE：The movement is made of high-hardness plastic and metal， with precise rhythm and stable performance, and more durable COMPLETE FUNCTIONS：Adjustable 40-208bpm, with 0, 2, 3, 4, 6 heavy bell sound bells, fully meeting the needs of piano, violin, guitar,drums and other instruments