Converts USB A type plug to a DB9 RS-232 serial plug. Suits most operating systems. 1.5m lead. Supports Windows and Mac OS. There are still a lot of RS-232 compatible devices out there despite a lack of RS-232 inputs on modern computing devices. So this handy adaptor will help interface between your RS-232 device such as a modem, GPS, printer, security system, microcontroller board, and your computer. Quick and easy to set up!

 
Features
USB Specification Rev. 1.1 compliant.
Supports RS232 Serial interface.
Over 250Kbps data transfer rate.
Supports remote wake-up and power management.