All Aukey | Tronsmart | Anker mobile power bank are design to charge your device faster using the Ai Power or Qualcomm Quick Charge 2.0 / 3.0 specification. Charge up to 4X compare to standard adapter. Fully compatible with 99% smart phone & tablets such as Samsung S6 , S7, Note 4 , Note 5, HTC one X , Asus , Huawei and many more device. For Apple iPhone , iPad device, you will be able to charge up to 3 X faster (5V 2.4A max)  compare to the original Apple adapter (iphone 5W adapter)