Runshion 5V 3.4A Dual USB Ports Metal Fast Car Charger with Car Escape Emergency Safety Hammer Function for iPhone,Samsung Galaxy, iPad and Android Smartphones and Tablets Gold 2.4Amp(3.4A Total) Aluminum Material Dual Port Car Charger Adapter can charge up to 2 devices. The 2.4a car charger with Smart+IQ Technology, each port intelligently identifies your device and seeks to maximize its charging speed (up to 2.4 A). Provide the fast and safe charge,the dual port car charger can prevent short circuiting, over-charging, over-currents and over-heating. Car Charger can be used as Emergency Hammer in case of emergency survival. Compatible with majority of mobile devices (Apple, Android, tablets, etc.),All Other USB System Devices.