Keyspan's High Speed USB Serial Adapter is a practical gadget allowing easy connections between media devices and computer ports. With a 230kbps data rate, this adapter operates at double the speed of similar devices and even large file transfers are soon accomplished. No set-up is needed and this Keyspan device is operational as soon as it is plugged in. It is powered via the USB connection and does not require a separate charger. It is compatible with operating systems from Windows XP and OS X 10.1.3 onwards.