Please kindly noted that this item is sold by Axifactorify from Joybuy marketplace.Description This item is a professional universal mini electronic metronome. Its rhythm function allows you to test your rhythm or rhythm track, and is easy to carry. Portable and lightweight design, easy to use, is a great mini metronome. Features -Material: Plastic, Metal. -Power supply: 3V (2032 button battery). -Velocity change: 30-280bpm. - Designed for beginners and professionals, it is sturdy and durable with long service life. - The beat of this metronome is very precise, allowing you to practice better. - This metronome can improve your rhythm in a variety of music styles. - Its design is simple, but it is very practical to use. - Can be used as a practical gift for your good friends.