Universal threeinone USB interface with wide compatibility and plugandplay operation speed data transfer supports largecapacity drives, including external hard disks over 1 TB, enabling fast largefile copying to save time Three ports allow keyboard, mouse, USB drive, and external hard disk to be connected at the same time, reducing the need to plug and unplug devices Interface safety protection includes a protective cap to guard the interface when not in use, helping prevent damage Use scenarios Office or desktop setup: connect keyboard, mouse, USB flash drive, and external hard disk through a single hub to streamline peripheral management Data transfer and backups: efficiently transfer large files from a 1 TB external drive to your computer without repeatedly reconnecting devices Shared workstation or travel: protect the port during transport or when not in use with the safety cap, maintaining port integrity