[Vibrating Metronome]Feel with vibrations instead of annoying audible clicks. You never miss another beat with this metronome. Just wear it on wrist, you can free up your ears to focus on music. [Customize Rhythm, Beat and Tempo]It is super easy to customize tempo, beat and rhythm by just rotating the dial (Tempo 40-240BPM, Beat 0-9, 9 different rhythms). [Metronome Watch for Fitness]Suitable for inst ents like guitar, piano, d s, and more, as well as activities like running and jumping rope fitness [Rechargeable]A single full charge lasts for at least 8 hours of continuous use, and you never worry about running out of power during practice or performance. Magnetic charging cable is included. [Adjustable Silicone Strap ]The metronome features a LCD display and simple controls, and the strap length is even adjustable to fit your wrist. Color: black Material: Silicone Package Contents: 1 x Metronome 1 x USB Cable 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.