... hoursUseful time: >500 timesIndicator: 4LED show different status of power Light: 1LED Efficiency: 85%Shell material: Cover high- ... Security:Safety, environmental protection, overcharge protection, over-discharge protection, short circuit protection; Accessories: power adapter, connect line, 7pcs charging head; Application: ... PSP,Camera; Color: white, green, pink, blue high power usb wifi adapter