Features:100% Brand new and high quality!This is a handy pocket size metronome. Precision built with the same accuracy and durability as larger metronomes. It has a wind up mechanism and a swinging pendulum and is enclosed in a high-impact plastic case.Pocket SizeWind Up MechanismSwinging PendulumSpecifications:Material: Hard plastic outer with high quality metal mechanismColor: Black， Red， White， Light Wood， Deep WoodDimensions: 3 x 5 x 11cmNet Weight: 152gPackage includes:1 x Mini Mechanical Metronome Welcome to goodvision to enjoy a great shopping time!