Asda Auto Drive AD Dual Usb (Output DC 5V/3.1A Max) & Dual Car Charger, Car Socket

DRIVE Socket Cigarette Lighter Power Adapter DC 5V/3.1A MAX with dual outputs. Car Charger. 
Instruction:
Convert and increase your car cigarette lighter from 1 to 2 sockets as well as 2 USB ports, charging up to 4 devices at once. Excellent Solution for Charging Multiple Devices on the Road.
Dual USB Ports with total 3.1A output power for charging your both mobile devices such as iPhone and iPad.
Warnings:
Prevent the product or your devices from overheating or overloading.
Packaging:1 x CAR SOCKET