portable power 1,Built-in high-capacity li-ion polymer ... 500 times above charging cycle 3,2 USB output socket portable power Portable power 5000mAh/I-phone 4/I-pad /2 usb ... -off switch to prevent the power consumption, the colorful LED display the power and electricity state. Specifications:1. Core type: ... as: ipad, iphone3G, 4G, mobile phones, MP3, MP4, PSP, etc Portable power bank 5000mAh 2 usb port