【AUPHY MECHANICAL METRONOME】Classic styling, accurate beats with accent bell , easy to use. It is suitable for both beginners and instrumentalists wishing to improve their playing | 【METRONOME STRUCTURE】The metronome body is made of high-strength PC, with transparent dust cover, perfect unity of functionality and decoration. The movement is made of metal clockwork and POM gears, the gears are tightly fitted and will not rust or corrode, keeping the beat accurate for a long time. The metronome has a lowered centre of gravity to maintain full stability while working. The metronome error is controlled within 1%, which fully meets the needs of practice. | 【METRONOME FUNCTIONAL PARAMETERS】The metronome speed is between 40-208BPM, and there are 5 choices of beat selection: 2,3,4,6,0. Selecting 2,3,4,6 will produce an accent bell, selecting "0" will turn off the accent bell (this does not affect practice) The wind-up mechanism produces metric beats without batteries, and one full wind produces approximately 2,160 clicks for 10-40 minutes (depending on the tempo). | 【METRONOME USE】Please pull out the bottom brake and place the metronome horizontally before use. Then move the pendulum weight to select the beat tempo, choose the beat of "0,2,3,4,6", wind up the metronome, flick the pendulum to one side and release your hand to let the metronome practice with you. Whether you're practising guitar or piano, drums, saxophone or piano, the metronome will work perfectly with you. | 【AFTER SALES SERVICE】All products are strictly factory inspected and sealed packaged. If there is any quality problem with the product you received, please contact us, we will provide new replacement service at any time.