1.10000mAh Small size and large capacity.Not only fast charging but also enough.10000mAh Small size and large capacity Not only fast charging but also enough. 2.Comes with USB power cord Go out without wires,Rechargeable polymer batteries Go out with a full charge anytime,anywhere. 3.Charge four at the same time share the happiness.2.1A current, four sets charge at the same time, bid farewell to wait. 4.Accurate LED digital display Battery level at a glance.The battery is accurate to each percentage See how much is left at a glance. 5.Two colors available.Two colors for you to choose.There is always one color is your dish. 6.One for four more general.Compatible with Micro/Lightning/Type-c.Three interfaces + comes with USB power cord.Apple interface USB interface Type-C interface micro interface.