Dual car charger adapter for cigarette lighter made of solid ABS, polycarbonate and aluminum alloy material. The adapter has two output USB ports - max 2.1A. So in total you can charge 2 devices at the same time. At the same time, the adapter works as an FM modulator and transmitter for connecting music from a mobile phone at the same frequency as your car's radio. Supports flash drive up to 32 GB.