The USB (Universal Serial Bus) to Serial Converter gives you the flexibility to connect cell phones, PDAs, digital cameras, modem terminals, & more. The USB (Universal Serial Bus) to Serial Converter takes just seconds to install. Simply plug your peripherals into the serial port & then plug the adapter's USB (Universal Serial Bus) connector into your PC's USB (Universal Serial Bus) port. It is that easy. The USB (Universal Serial Bus) port on your PC means that you can "hot-swap" any devices that you have connected. This unparalleled flexibility means that you can switch devices connected to the converter "on-the-fly", without rebooting your computer.