Product description: Colour: BlackSize: 1.5mChip: PL2302Support protocol: RS232Interface: Type-c Male DB9PIN MaleEquipment used: Pocket PC cash register printerSupport system:Windows 98/98SE/ME/2000/XP/Vista/7 32bit/8/10 Mac OS8.6Added a DB9PIN female-to-female adapter version you can switch out of DB9pin male connector and you can switch out of DB9pin female connector allowing you to use one wire for two purposes.Built in Prolific PL-2303 Chipset high data transmission speed and durable widely compatibility with Windows XP/Vista/7 /8.1/10 Mac OS.Powered by Type-C Port No External Power Adapter Required. Simple Installation Plug & Play after One Time Driver Installation.Designed for connecting serial devices such as DB9 equipped PCs routers GPS Programming machine barcode scanners label writers serial modems digital cameras card readers palm PCs and digital organizers etcNote:The interface is 9-pin RS232 Male please make sure that your serial device with a 9-pin Female Port.If yours is 9-pin Male Port pls choose the version with Female to Female converter.Package include:Type-c male to DB9pin male RS232 COM serial cable * 1DB9PIN female-to-female adapter * 1 (Only one version has this adapter)