kenable Newlink Dual USB 2.0 Serial RS232 Adapter 2 Port Cable

DUAL SERIAL PORTS - Adds two RS232 DB9 male serial COM ports to your computer via a single USB 2.0 connection, ideal for connecting legacy serial devices without opening your PC case WIDE DEVICE COMPATIBILITY - Connect modems, PDAs, barcode scanners, POS terminals, serial printers, CNC machines and other RS232 equipment to modern laptops and desktops lacking serial ports USB POWERED CONVENIENCE - No external power adapter required, draws power directly from the USB bus for a clean, simple setup with fewer cables cluttering your workspace BROAD OS SUPPORT - Compatible with Windows 2000, XP, Vista, 7, 8, 10, 11 and Mac OS 10.4 or higher, supports USB 1.1 and 2.0 specifications with automatic protocol handling SIMULTANEOUS OPERATION - Use both serial ports at the same time for multiple device connections, supports remote wake-up and power management for energy efficiency