HOME WALL Adapter/Charger and CAR Adapter/Charger Kit for RADIOSHACK PRO-107 Radio Scanner USB cable is used to charge your device only. THIS USB CABLE CAN'T TRANSFER DATA OR UPDATE SOFTWARE. AC Adapter is used to charge your device through any standard AC outlet with USB cable DC Adapter is used to charge your device in your car with USB cable These chargers are compatible with Ni-Mh, Ni-Cd, Li-Ion Batteries DC Car charger has Fuse Protection and LED Light Indicator.