KingAcc 34W 4-Port USB Car Charger and 10W Dual USB Wall Charger Kits The 40W/8A Usb car charger charge 4 devices at the same time and charge speed up to 2.4 amps per port or 8 amps overall.Unique PowerSmart Technology: Detects your device to deliver its fastest possible. Strong compatible:AppleiPhone 7 7Plus 6/6s 6Plus 6sPlus 5S 5C 5 4S 4; iPad air 2 1 ipad 4 3 and iPods, Andriod device: Galaxy S7 S7 Edge S6 S6 Edge S5 S4; Note 7 5 4 3 2 Tab series, Nexus and More,HTC Samsung Motorola and combination of phones, tablets or other USB-charged devices simultaneously. Certified design:Conform to the standard of UL/FCC/RoHS,Multiple built-in safeguards fully protect against over-current, overcharging and overheating for safe and fast charging.12 -24 volt input (Supports a wide range of Input voltage including 18V)compatible with all standard cigarette-lighter sockets. The kit include 1X Dual Port Wall Charger, Dual Port Design With 2.1Amp Output,Charge speed is Four times as fast as PC USB port Package include: KingAcc 34W 4-Port car Charger, Friend and convenient customer service just contact with us.