- Lightweight and compact design, ideal for storage in safes and wardrobes with a small footprint. - Ultra-quiet full-gear motor delivers stable performance and long-lasting durability, with minimal operating noise. - USB powered: includes a USB cable for direct use with a power bank or USB charger, making it economical and easy to power anywhere. - Vertical winding design ensures precise wrapping and effective winding for almost all watches with automatic winding function of mechanical watches. - Compatibility: suitable for almost all automatic mechanical watches, providing reliable winding performance. - Use scenarios: - Home or bedside use: keep your automatic watches wound and ready without disruptive noise. - Safe or wardrobe storage: compact form fits in small spaces while maintaining winding. - Travel or on the go: lightweight and USB-powered, convenient to use with a power bank or USB charger. - Key attributes: function (automatic winding), compatibility (almost all automatic mechanical watches), size (compact), performance (quiet, stable motor), power (USB powered).