Features:Brand New and High Quality Prolific PL-2303 chipsetFull compliance with USB 1.1 & 2.0 specificationConvert RS232 interface device to USB for connecting PCOver 1 Mbps data transfer rateSupports wake-up and intelligent power managementProvides dual buffer for upstream and downstream data transferSuitable for PDA and modem， phone and GPS etcLength of the adapter : 1MSupport Win 98 or above (Win 7 64-bit Supported) ， MAC OS X or above ， LinuxNote: IF you need driver， please click the link:Driver.rarPackage Include:1 x USB to RS232 Serial Converter Adapter for Win7 MAC OSNote:Please take notice of the installation order. Run the driver installer program before plugging in the USB to Serial adapter. If you already plug the device during the driver installation， you need to re-plug the device again for windows to enumerate the device and load the drivers installed.