The USB wristband contains a document with the information that you fill in. The document is 1 page and in RTF format. It can be opened by any operating system (Windows, Mac, Linux) . There is enough place to even store a photo of yourself. Easy to use. Just slip it on. When you are unable to speak for yourself and in a position to still communicate with movements, just show the medical staff the wristband. This could very well save your life or the lives of your loved ones. You are in complete control of the information that you put on the document. Q: What it is? A: It is a wristband that has a USB with your medical information on it. Q: How does it work? A: Once you get the USB, you plug it into your computer and open the form which is pre loaded. You fill in the form and then save the form on the USB. That is all. Q: What are some of the benefits? A: The medical staff will have your emergency information at hand.