*Designed to provide power for your iphone, ipad, ipod and mobile phones such as Blackberry,Samsung,HTC,Sony,etc with mini usb and micro usb port.
*Built-in 4000mAh high capacity rechargeable li-ion battery.
*4000mAh capability, powerful with long operation time.
*High efficiency of power conversion.
*Portable, practical and long cycle life.
*Safe and reliable, perfect for using on travelling and outdoor activities.