The FatLady™ USB Car Horn has a USB cable extending from the back of the unit and should have a plastic cover attached that is taped to the connector to protect the USB connector from dirt and moisture. The USB cable can be connected to any PC, Mac, Linux, Android OTG or other host computer system that supports USB Mass Storage Device (MSD) with a FAT file system. Continue reading Re-programming Audio Files in a FatLady™ USB Car Horn