The Connectronics 31CA2 is a USB 3.1 gen 1 type C male to USB A female adaptor. Ensure all of your USB 1.1, USB 2.0 & USB 3.0 devices can connect to new USB-C devices. This unit features USB 3.1 Gen 1 (5G, 3A) and backwards compatible with USB 2.0 & 1.1 devices.