Go Cordless & Hands-Free: Caydo cordless electric yarn winder lets you can organize yarn outdoor, no more stay near to power outlet. Enjoy effortless winding with wireless freedom. Allowing you to enjoy beautiful natural scenery while winding loose yarn into beautiful yarn cakes automatically Long Last Power: Our rechargeable yarn winder features a high-capacity battery, full charged can run 2 hours continuously. It supports Type C charging and has a fast charging port. It can quickly fully charge in 2.5-3 hours.