... 8 hoursUseful time: >500 timesIndicator: 4LED show different status of power Light: 1LED Efficiency: 85%Shell material: Cover high-quality ... protection, overcharge protection, over-discharge protection, short circuit protection; Accessories: power adapter, connect line, 7pcs charging head; Application: can be use ... cellphone,Iphone,MP3,MP4,PSP,Camera; Color: white, black, red 4400mAh mobile power bank