Features: 1. Dust cover: keep clean, push down, open the front cover, push up, lock the cover 2. Beat adjustment: Accent stick can adjust the beat type, clockwork clockwise to the metronome 3. Metal scale: push the slider up and down to adjust the speed up to slow, down to fast 4. Powerful, easy to operate, it is recommended when you learn the piano. Description: Product Name: Little Angel wmt220 Electronic Metronome Size: about 10*7.5*20cm/3.94*2.95*7.87in Weight: about 340g Color: white, black, yellow, wood grain List: 1* Little angel wmt220 electronic metronome