Features: Our multifunctional smarts body sensing vibration watch metronome, designed to offer precise timing and wonderful convenience in a fashion, wearable format. Crafted from light weight ABS, this watch metronome boasts a long lasting life standby time of up to 1 month per charge and features strong, quiet vibrations. Great for musicians from beginners to professionals, who seek a reliable and multifuntion metronome to enhances their practice experience with instruments. Perfect for use in various settings, whether you're practicing at your home, performing on stage, or teaching in a classroom, ensuring you maintain a steady rhythm. Elevates your musical experience with additional features such as a build in drum machine mode and customizable vibration, light, and sound reminders, making it an essential accessory for musician. Specifications: Materials: ABS Color: As The Picture Shows Package Weight: approx.120g Length: approx.24.5cm/9.64in Battery: 3.7V 250mah Battery Life: over 5 hours Beat Speed: 40-240bpm Package Includes: 1Pc Watch Metronome note: Please allow 1-2cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!