Features: 1. Versatile Design: This portable metronome has a sleek design that suits both musicians and athletes. Its dual function mode allows it to be used for musical rhythm training or sports activities such as running and jumping rope, making it very practical. 2. Enhanced Rhythm Training: Feel through skin contact, improving your body's sense of rhythm. The smart metronome's vibration and silent design allow you to practice without disturbing others, making it ideal for both quiet environments and intense workouts. 3. and Comfortable: Made with an ABS body and removable silicone strap, this vibrating metronome is both comfortable and. The adjustable strap fits wrist sizes, making it suitable for a wide range of users. 4. Long Battery Life: Equipped with low-power automatic screen shutdown and sleep functions, this musical instrument metronome offers over 5 hours of active use and more than a month of standby time. Enjoy extended practice and training sessions without frequent charging. 5. User-Friendly Features: The metronome clock's intuitive controls and clear display make it easy to set and adjust the tempo. Whether you are a musician or an athlete, this metronome clock simplifies rhythm training and helps you develop a consistent and reliable beat. Specification: Band Size: 23.6 x 2.3 cm/9.2 x 0.9 inch Dial Size: 4.3 x 3.7 cm/1.68 x 1.44 inch Charging: 5v Charging Time: 1.5 hours Battery: 3.7v 250ma Current: 50mAh RMS Battery Life: More than 5 hours Beat Speed: 40-240 BPM Color: Black Material: ABS+Silicone Package Contents: 1x Metronome Clock 1x Magnetic Charging Cable The above package content only, 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 one. The allowable measurement error is +/- 1-3 cm.