Mechanical Metronome Universal Guitar Metronome Ukulele Instrument Music Black Description: [Durable Material]: The mechanical metronome is made of high-quality metal material, which is sturdy, durable, and reliable. [Precise Control]: This metronome can precisely control the rhythm, loud sound, accurate rhythm of the song and improve the musical performance. [Easy to use]: The professional metronome adopts metal knob, which is not easy to break and rust, and the speed adjustment by sliding the slider is precise and stable in operation. [Portable Design]: Metronome is lightweight, easy to carry and use, and can be moved to the performance venue, music classes, exercise room, etc. [Application]: Universal metronome for piano, guitar, ukulele, violin, percussion, ukulele and other instruments. Suitable for beginners, practitioners, professional musician. Size Chart: 11 cm x 5,2 cm x 3,5 cm or 4,33 inch x 2,05 inch x 1,38 inch The package includes: 1 mechanical metronome