!!Please NOTE: this is FEMALE RS232 to DB9 SERIAL CABLE ,Not VGA!!!It is 9 pin, NOT 15 pin!! Look carefully of the Pin is match with your device. Before ordering , please confirm the interface gender is waht you need. Portable female serial to USB-C adapter is with USB-Powered design requires no bulky power supply with superior performance, offering an easy connectivity for serial plug devices Built as FTDI serial RS232 to USB-C cable for Windows 11, 10, 8, 7, Mac OS8 or higher, Linux 2.4.0 and later (9 wire pinout 1-9: DCD, RXD, TXD, DTR, GND, DSR, RTS, CTS, RI) Plug-and-play convenience:DB9 serial port is seen as a COM port by your computer, and is available for use by any program that accesses COM ports,No need for an external power adapter:draws power directly from your computer via the USB connection After receiving ,please read user manual /instruction at first and download the Driver at first from FT232 Official website website . Customer service always online.