Yoobao: Since 2005, Your Reliable Charging Brand The Specialist in external battery industry for about 10 years Over 50 distributors, 800+ milion Yoobao fans around the world More than 6 million pieces of Yoobao batteries are sold each year Yoobao M10 External Battery Portable powerpack perfection. Dual Charging Ports, Double Convenience Dual output to charge TWO devices simultaneously. 2A output for iPad/Tablet and 1A output for iPhone/smartphones.When only one port being used, it detects your device to deliver its fastest possible charge speed up to 2 amp(5V). High Capacity,Broad Compatibility Charge an iPhone over four times, a large capacity phone like the Galaxy S5 two and a half times or most tablets at least once.Compatible with most Android and Apple devices. Premium Performance Industry grade materials, premium circuitry and a 90% efficient battery cell (up to 10% above the industry average) ensure complete reliability.4 LED indicators to reveal the current capacity status. Package Contents Yoobao M10 Power Bank Yoobao Micro USB Cable User Manual For Optimal Use: Use the included cable, your original cable or a third-party certified one . Compatible with Apple and Android smartphones, tablets (including the Nexus 7) and other USB-charged devices except for the iPod nano, iPod Classic, HP TouchPad, LG G2, Asus and some GPS and Bluetooth devices. Get to Know Us: Yoobao always provides high-quality product and best service. All of Yoobao batteries have the certificates of CE,RoHS,FCC. "Quality makes life better",Yoobao is always on your side.