PLAY YOUR FAVORITE PIECES WITH EASE!This mechanical metronome helps you develop rhythm, maintain tempo, play accurately and increase your musical awareness. APPLICABLE FOR MOST MUSIC INSTRUMENTSProduce rhythms at a proper pace when practicing piano, violin, guitar, bass, drum and other musical instruments. INCREDIBLE FEATURESAudible click & bell ring to maintain the rhythm while reading music sheet; Wind up mechanism produce metrical beats, no battery required; Tempo range: 40-208 bpm; Beat selection:0,2,3,4,6. EASY TO USE EVEN FOR CHILDREN & BEGINNERSTake out the brake, pull off the cover, adjust the beat and tempo, and then you are ready to use; An average single full wind (2160 clicks) lasts at least 18 minutes depending on the tempo; Beautifully designed and macaroon pink color makes your children love practicing music instruments. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store