Product Description Size: 5 * 3.6 cm Interface: USB Male/Female Cable: Triple Shielded Cable Color: Black Material: PVC Package Contents: 1 * USB to Serial Adapter USB to RS232 Adapter: Connects a serial DB9 (9 PIN) device, such as a modem, to a USB port on your computer. Enjoy data transfer speeds up to 1 Mbps. Latest Chipset: Utilizes the latest PL2303 chipset. Supports Windows 10 / 8.1 / 8 / 7 / Vista / XP / 2000 / Linux 2.4 or later / and Mac OS X 10.6 and later. Easy Connectivity: The USB to RS232 adapter works with modems, terminal adapters, digital cameras, label printers, handheld PCs, PDAs, cash registers, CNC, PLC controllers, tax printers, POS, barcode scanners, label printers, and devices with DB9 serial ports. NOT compatible with cutting plotters, SCM. Superior Durability: Gold-plated connectors ensure high performance and extra durability. Powered by the USB port, no external power adapter is required. Versatile Use: Allows you to connect peripherals with a serial interface (or Com port or RS232 interface) to an available USB 2.0 port on your computer.