Size is about 1 1/4 L. In back pendant has a wind up operation as well as an on and off switch. Wind the key 2-3 round will be good, Not to over wind it. Pull up the little switch to play. Usually allow the little switch at the on position.
Allow the music to play itself till end for mainspring protection. 100% SATISFACTION GUARANTEED - OVER 3000 FEEDBACK. Item must return in the same condition that we send. Your feedback is very important to us. We are eager to work with our customers.