Use this data key to download your data from MyChron 4 series loggers into race studio. No need to bring your laptop to the hectic grid in between sessions, no need to wait while your computer boots up! This tiny Data Key will fit right in your pocket allowing easy and lightning fast transfer of your data off your MyChron 4 data logger. 32MB of memory ensures you can keep lots of session on the Data Key. The data key also makes it easy to transfer firmware updates to your MyChron 4.