Say good-bye to the days of having to unthread your sewing machine in the middle of a project, just to wind a bobbin. Meet the customer-inspired SINGER® Portable Bobbin Winder. This sewing game changer is an external bobbin winder that quickly and easily fills bobbins with thread. It keeps you from having to unthread your sewing machine to fill a bobbin, then re-thread the machine again! With the one-touch auto winding system, bobbins are filled quickly and easily. It also includes two spindles for additional bobbin storage. Either use the included power cord or 3 AA batteries. Whether you need to wind a bobbin that's low on thread or change your bobbin thread color in a jiffy, the SINGER Portable Bobbin Winder is your go-to bobbin-filling partner!