SIIG USB 2.0 2-to-1 Switch (JU-SW2112-S2) Hot swapping feature allows you to connect/disconnect USB devices without first powering down your system Designed for USB devices including printers, scanners, hard disk drive enclosures, cameras, CD-ROMs, and more. Note: Not designed for mouse or keyboard Supports device switching via Hot Key (Windows only), so-Feet ware (Windows only) or manual switching button Allows you to share USB devices between PC and Mac systems simultaneously