... Kinds of changeable connectors provide the most convenient to you and your friends around(2)Keep pushing on the button ... be last 540 hours(3)Compatible with for iphone,for ipad,for ipod,for Samsung,for Nokia,for HTC,for Blackberry,for PDA,for Kindle,for PSP,Mp3,Cameras etc(4)5 ... pack(8)Meet all related safety standard(9)Keep talking and keep playing longer Practical capacity: 12000mAhsize: 20*13*5cmG ...