The USB Adapter transfers information between a PC and compatible Jeti Model products. It is, in fact, a connector that goes between the PC USB interface and the data connector port EXT provided in compatible Jeti Model products. All types of equipment marked with the label symbol USBa are prepared for firmware updates. On the internet pages www.jetimodel.com you may find information about the latest firmware versions available. These can be downloaded via the free Jeti Studio software.