BIRUGEAR Black 2-Port USB Car Charger Vehicle Power Adapter with Extra Socket for Motorola Moto G, Moto X, Droid Mini, Droid Maxx, Droid 4 XT894, Droid RAZR MAXX XT916 / XT913, MILESTONE 2, DROID RAZR XT912 /HD Brand new 2-Port Car Charger with Extra Socket Short circuit protection. LED charging indication Extra cigarette lighter socket. Plug never heats or overcharges the battery Intelligent IC chip inside recognizes a full battery and automatically switch to a saver You must have a USB charging cable (sold separately) inorder to charge your device with this charger.