Come and see our amazing products. It is powered by two AA alkaline batteries (not included), simply use your charging cable for your smartphone or USB powered device to connect to the charger and not have to worry about finding a power outlet in an emergency. When not using the emergency charger it can also be used as an emergency flashlight.Great to use when you are on the go and need a quick way to recharge your smart phone, or charge any device with USB cable (not included). Pls confirm with us about the packing info, stock color and exact production time before placing your order.