The Biopac Science Lab MP40 unit connects to a computer via an audio line in port. If a computer does not have a built-in Line-In jack, an external USB audio adapter can be used, such as USB-SOUND.
System requirements
Windows: XP or Vista*, USB port Mac: OS X 10.3-10.5, USB port
Windows: XP or Vista*, USB port
Mac: OS X 10.3-10.5, USB port