This is a Geek Squad Certified Open Box Product. See below for more information. Switch out your lenses with ease with the Canon EF-EOS R mount adapter. This lightweight adapter attaches quickly and lets you use EF and EF-S lenses without sacrificing functionality, speed, or quality. It boasts dust- and water-resistance for long-lasting durability. | Open Box - Canon EF-EOS R Mount Adapter - Black