Excellent Parallel Cable: UGREEN USB to DB25 Adapter Cable is ideal for connecting a USB-equipped desktop or laptop to parallel printers, inkjet printers, lasers, POS machines, label printers, cash registers and scanners with a DB25 parallel interface. (Note: This product is not compatible with zip drives and does not function as an LPT port) Fast data transfer: DB25 converter supports data transfer speed up to 12Mbps, fully compliant with USB 1.1/2.0 and IEEE 1284 No driver required: Plug and play, no need to install drivers. No external power adapter required. Support parallel port bidirectional data transfer Wide Compatibility: This USBDB25 cable is suitable for Windows 10/8.1/8/7/XP/Vista/2000, for Linux, for Mac OS 9.1 and above Specification: Input: USB 2.0 A male Output: DB25 USB standard: USB2.0 Parallel port standard: IEEE 1284 Transmission speed: 12Mbps Built-in cache: 512Bytes Support system: Windows (XP/Vista/WIN7/WIN8/WIN10) Supported devices: USB scanner, USB printer Chip: PL2305