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 bodys sense of rhythm. The smart metronomes 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 lowpower auto screen off and sleep functions, this musical instrument metronome offers over 5 hours of active use and more than a month of standby time. Enjoy etended practice and training sessions without frequent charging.5. UserFriendly Features The metronome clocks intuitive controls and clear display make it easy to set and adjust the tempo. Whether youre a musician or an athlete, this metronome clock simplifies rhythm training and helps you develop a consistent and reliable beat.SpecificationBand Size 23.6 2.3 cm9.2 0.9 inchDial Size 4.3 3.7 cm1.68 1.44 inchesCharging 5vCharging time 1.5 hoursBattery 3.7v 250maCurrent 50mAh RMSBattery life More than 5 hoursBeat Speed 40240 BPMColor BlackMaterial ABSSiliconePackage contents1 Metronome clock1 Magnetic Charging CableOnly the above package contents, other products are not included.Note Light reflection and different monitors may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is 13 cm.