3.1A lightning charging for time-saving. With three USB ports, which can be charged for three devices simultaneously. High quality PC & ABS material for durable use and fire-resistant. Three plug types for you to choice, which fit for more than 1500 in the world. Multiple security protection, includes overcurrent, overvoltage protection etc. Mini-sized design, very suits for travel use. Power input: AC 100 - 240 v 50 / 60Hz Output current output1: DC 5V.-2.1.A. Power out output2: DC 5V. - 1A *2 max 3.1A.