1. Automatically and retractable, not manual operation
2. Organize your earphones, USB's,Chargers very well, No Tangles
3. The high-quality PC material makes Youcan Automatic Cord Winder
be perfect both in appearance and quality, which could be reused for
hundreds of times in a right way
4. Durable Constantforce Spring, which is no-damage to your earphone
and other cables
5. Adaptable Spring Force, suitable for different cables.
6. Fashionable Design and LOGO can be customized.