Pattern random Color: Teak color Material: Plastic and metal Suitability: For piano, guitar, violin, ukulele, Chinese zither and other music instruments /per minute: 60~208/per minute Unique mini mechanical metronome design, only 11cm height, pocket size, very portable The metronome adopts durable high-elastic nylon movement, which ensures a more stable working state, avoiding the shortcomings that ordinary metronomes are not accurate when once dropped Its sound is soft, not harsh at all Without ringing It has a wind up mechanism and a swinging pendulum and is enclosed in a high-impact plastic case Metronome can help you train your concept on music speed, make your instrumental performance more complete and smooth, and make the rhythm more even Operating Instruction: TO START: Wind up the winding key in the direction of the arrow mark and push the pendulum leftward TO SET TEMPO: Move the sliding weight up and down and set its upper end on the dial AFTER USING: Slide the weight to the middle or upper part of the pendulum and put on the cover Item Size: 4*5.5*11.5cm Item Weight: 154g / 5.4oz/pcs Package List: 3 x Metronome Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.