Great Efficiency Boost: Being recharged 2 times faster thanks to the two DC 5V / 2A input. Two Devices at a Time: Quickly and smartly charges a smartphone and a tablet at the same time via iSmart ports with the total 3.4A output (Each 2.4A max). [Qualcomm Quick Charge not supported]. Thoughtful Design for Comfortable Grip: Built with rounded corners to e aesthetical and ergonomic pleasures. Charge Securely with Multiple Protections: Ensures users’ safety with over-charge, over-discharge, over-heat, over-voltage, over-current, and short-circuit protections.