4 USB ports car charger fast charge your 4 devices simultaneously in your car when you travel with your family. 24 months warranty for our 4 USB PD 3.0 car charger. Please tell us if you have any questions, we will give you a satisfactory solution in 24 hours. 4 USB car charger is wide compatibility, compatible with iPhone series, iPhone 13 12 11 Pro Max X Xr 8 Plus SE2 iPad Pro, Samsung Galaxy series, Galaxy S21 S20 Ultra 5G S10 Note 20 10 A70 A50, Pixel Nexus, LG, Huawei, tablets etc. 4 ports car charger is compatible with various fast charging protocols, including power delivery(PD) 3.0/2.0/PPS, QC 4.0/3.0/2.0, Samsung AFC, Huawei FCP/SCP, Apple2.4A, ensure that 4 ports car charger is compatible with all smartphone rapid charging. 4 ports USB fast car charger output 84W(Max), PD3.0 port output 30W(Max), QC3.0 port output 30W(Max), 2.4A port output 12W(each port), each output port is independent, ensure that the output power is enough, ensure fast charging of each device. VISELER 4 USB Ports PD3.0&QC3.0 Car Charger support 4 devices fast charging simultaneously, support all USB device, including iPhone Samsung gooogle LG Moto etc.