1\u3001Multifunction cup holder car charger, double cigarette lighter hole, dual USB, real time voltage monitoring, do not pick the car model, general wide voltage, suitable for many kinds of models, 12V\u201124V can be used. 2\u3001No need to wait, dual USB interface can charge two mobile phones at the same time, this cup type cigarette lighter is applicable to all vehicles with cup holder. 3\u30011A smart large current, smart fast charging technology with 1A current to quickly improve the mobile phone charging speed. 4\u3001Intelligent identification matching current, connect to the device via USB port, smart recognition and matching of mobile phone current for quick charging. 5\u3001Real time voltage monitoring, current overload automatic power off protection, intelligent LED screen real time display at a glance.