Product listCar Charger , Car Interior Dust Brush ×1 , Car Cup Holder Coaster ×2 , Car Seat Headrest Hook ×2 4-port car chargerProvides up to 131W total power output, can charge 4 devices simultaneously. The four ports are independent of each other, and the charging speed does not affect each other. Simultaneous charging will not reduce the charging power of one or more ports. When charging with the "Super" and "PD" charging ports, you will enjoy "Super Fast" and "Fast" charging speeds respectively, charging most mobile phones to about 80% and 65% in just 30 minutes. (Please note: Both the mobile phone and the charging cable must support the fast charging protocol, otherwise the "Super" or "PD" charging port will charge at standard speed.) Voltage detectionCar cigarette lighter adapter with LED digital display voltage meter, you can monitor and display the voltage of the car battery in real time, to master the health of