Featuresr anti slip casingr beautifully textured surface the single piece casing surface is water and corrosion resistant and is perfect for everyday user simple design buttons indicator lights and connection ports are located on one end of the power bankr r 10400mah large capacityr premium li ion battery cells add an extra 10400mah to the battery life of your smartphone tablet or digital camerar r world class circuit chip protectionr nine layers of protection adopted usb smart con