... ) Designed to provide power for your iPhone, iPad, iPod and mobile phones.3) Built-in 20000mAh high capacity rechargeable Li-Polymer ... ) be compatible with Nokia, iPhone, iPad, MP3, MP4, and other mobile phones...6) the USB output, more convenient.7) High efficiency ... ) Capacity: 20000mAh Li-Polymer2) Input Voltage: DC 5.0V3) Input Current: 1000mA (Max)4) Duo USB output, charge 2 devices simultaneously5 ...