. Unique mini mechanical metronome design, only 11cm high, pocket size, very portable. The metronome adopts a durable Metal movement, which ensures a more stable working state, avoiding the shortcomings that ordinary metronomes are not accurate when dropped. Its sound is soft, not sharp at all. It has a winding mechanism and pendulum and is enclosed in a high-impact plastic housing. It can help you train your concept on the speed of the music, make your instrumental performance more complete and smooth, and make the rhythm more even. Specifications:Material: Metal, Plastic Color: Black, Blue, Pink, Red Size: 110x50.8x30.1mm Package List:1 x Mechanical MetronomeNote:Please refer to the measurement. A small measurement error is acceptable within the normal range. There may be a slight color difference due to monitor, camera or other factors, please refer to the physical item.