- Sturdy Construction: Made from premium silver-plated metal and durable ABS plastic, this music box combines an elegant appearance with quality craftsmanship. The Yunsheng movement produces a clear, sweet sound that remains in tune, delivering a delightful auditory experience. - Convenient Wind-Up Mechanism: No batteries are needed. Simply turn the key 3-4 times to wind the spring, and enjoy a full performance of "Fur Elise" for 3-4 minutes. Placing the music box on a surface enhances sound volume and richness, while the rotating shaft adds a charming visual element. You can easily stop the music by bending the shaft. - Hassle-Free Operation: Unlike traditional hand-crank music boxes, this wind-up design eliminates the need for continuous cranking. It offers a relaxing experience, allowing you to enjoy the music without the effort of manual operation. - Ideal for Ballerina Jewelry Boxes: This music box movement is perfect for replacing the mechanism in your Ballerina Jewelry Box. When the lid is opened, the music plays, and it stops when the lid is closed, thanks to the bent shaft mechanism. Upgrade your existing jewelry box by replacing the original movement with this high-quality option. - Compact Size: Measuring approximately 5.0 cm x 4.4 cm x 2 cm (1.97" x 1.73" x 0.79") with a 2.59 cm long shaft, this music box fits perfectly in various applications, from decorative displays to sentimental gifts. Enhance your music collection or gift a charming keepsake with this elegant wind-up music box.