... ,FCC,RoHS 5V 3.1A Dual Usb Port Auto Usb Charger 1.small size,portable2.With USB 2.0 port for all mobile charging 3.12 ... ). environmentally friendly, energy-saving, complying with the safe certification standard.5). high working efficiency: ≥95%, good charging performance.6).Overall quality ... , Resistance, burn-in/aging, temperature shock,drop test,vibration test etc.Product pictures: