This is an SD card reader from I-O DATA. ・I-O DATA / I-O DATA 　Wi-Fi SD card adapter 　WFS-SR01 　Card reader 　Smartphone charging 　Travel router Body only. *Please prepare a separate USB charging cable. It worked without any particular problems. There are some scratches and dirt on the exterior. The degree of deterioration of the internal mechanism due to aging is unknown. Please consider it as a junk item without warranty. Please purchase if you understand that this is a used/junk item.