Specification:100% Brand new and high qualityThis USB-serial device provides a simple and easy way to connect USB and serial port interface.With the advantage of USB port, users have the capability to utilize the peripheral with serial port interface in an easy to use environment such as plug and play & hot swap function. This adapter is designed for ideal connections to cell phone, digital camera, modems or ISDN terminal adapter with over 1 Mbps data transfer rate.USB specification rev 1.1 compliantSupport the RS232 serial interfaceOver 1 Mbps data transfer rateSupport remote wake-up and power managementSystem requirements:PCIBM PC 486DX4-100MHz CPU or higher or compatible systemAvailable USB portCD-ROM driveWindows 98, Windows Me, Windows 2000, Windows XPFor apple computerPower G3 or G4 CPU or higher or compatible systemAvailable USB portCD-ROM driveMac OS 8.6 or higherColor: As shown in the pictureLength: Approx. 94cmIncluded:1 x USB 2.0 to RS232 Converter DB9 

USB 2.0 to RS232 Converter DB9 High Speed Cable Adapter for PC Apple Computer