The Mobile Action MA-660 USB Infrared Adapter is a device that allows you to connect infrared (IR) devices (like PDAs, mobile phones, and other peripherals) to your computer via a USB port. It works by providing a USB interface for infrared communication, which was particularly popular in the early 2000s for syncing data between devices like PDAs (Palm, Windows CE devices) and mobile phones.
The Mobile Action MA-660 Infrared Adapter requires a specific driver to function properly on a Windows PC. The driver is what enables your operating system to recognize and interact with the infrared hardware, allowing you to send and receive data via infrared.