Equipped with USB A(QC3.0) port and USB C(PD3.0) port, cigarette lighter usb charger can charge two devices simultaneously, no drop in power even when simultaneously fast charging as its indepent PD&QC3.0 protocol chip. Tiny thumb-sized body of type C car charger perfectly fits and sits snugly with most cigarette lighters, freeing up more space and providing you comfortable aesthetic. The solid full Aluminum Alloy body features exquisite texture and durable lifetime, and protects your devices from over heating, over-voltage, over-current. Car charger can automatically identifies any devices you plug in and distributes the optimal charging efficiency for you.