Feature: 1. Designed with simple five-pointed star hole, the sound is clearer and louder. 2. The pendulum is smooth and tidy, with a metal panel, no batteries, has a soft sound. 3. The adjustable metronome speed is 60~208 beats, meeting all your needs for different rhythm. 4. Suitable for various instruments, including but not limited to piano, ukulele, guitar, etc. 5. With a cover, the small size and light weight make the mini metronome very carry and store. Specification: Item Type: Mini Mechanical Metronome Product Material: ABS + Metal Product Size: Approx. 11 x 5.3 x 3.5cm / 4.3 x 2.1 x 1.4in Package List: 1 x Mini Mechanical Metronome 1 x Cover 1 x User Manual