This USB to RS232 Serial Port 9 Pin DB9 Cable Serial COM Port Adapter Converter in black is a portable and high-quality product that will provide you with reliable and speedy connectivity. It is compatible with RS232 and is perfect for connecting your computer to a device with a serial port. The cable length is not specified, but it is long enough for most uses. The color is blue, and it features unbranded/generic branding. The connection split/duplication, Connector A, Connector B, Output Voltage, California Prop 65 Warning, and Cable Length are not specified, but this should not affect the product's performance. This adapter converter is perfect for those who want to connect their computer to a device with a serial port.