The PPA Inc. 9 in 1 USB Card Reader & Writer is a versatile adapter/converter that allows for easy transfer and writing of data from a variety of cards. With a connection split/duplication of 1:9, this device supports multiple card types and offers portability for on-the-go use. Compatible with USB 2.0 specifications, this USB card reader & writer is a reliable tool for efficiently accessing and transferring data from various devices.