The TrippLite USB 3.0 U352-000-MD-AL Memory Card Reader/Writer is a portable, durable converter box with a sleek silver aluminum cases design. It features USB-A 3.0 host port and memory card slot connectivity including Compact Flash, microSD, and SD, making it easy to transfer data from various devices. The Tripplite brand ensures reliability and performance, making this card reader a convenient tool for access to a variety of drives to its host computer. This was barely used and is like new. It’s been tested and works.