Technical Specification:

Connector Type : USB
Total USB Ports : 2
Dimensions : 1.18 x 1.3 x 1.5 inches
Weight : 1.28 ounces
PowerPort mini provides fast-charging up to 12W for one device and delivers a total of 12W from both ports while charging 2 devices simultaneously. 
This charger does not support Quick Charge 3.0. Devices equipped with Quick Charges, like the Samsung Galaxy series, will charge at normal speeds.
To save space, this charger is not equipped with an LED indicator.
Compatible Devices : IPhone XS/XS Max/XR/X/8/8 Plus/7/7 Plus/6/6S/6S Plus/5/5S/SE/5C/4/4S, ipad air 2, ipad mini 3/4, Ipad pro 9.7''/12.9''，Galaxy S9 Plus/S9/S8 Plus/S8/S7/S6/S5/S4/S7 Edge/S6 Edge/S6 Edge+, Nexus 9, LG G6/G5/G4/G3/V20, HTC 10, HTC One A9/M9, Moto
Compatible Phone Models : iPhone XS/XS Max/XR/X/8/8 Plus/7/7 Plus/6/6S/6S Plus/5/5S/SE/5C/4/4S, ipad air 2, ipad mini 3/4, Ipad pro 9.7''/12.9‘’，Galaxy S9 Plus/S9/S8 Plus/S8/S7/S6/S5/S4/S7 Edge/S6 Edge/S6 Edge+, Nexus 9, LG G6/G5/G4/G3/V20, HTC 10, HTC One A9/M9, Moto

Features:

The ultra-compact design is just 1 inch thick, packing 18W of power into a package the size of a 5W iPhone charger
Equipped with a USB-C Power Delivery port, and loaded with 18W of power to provide full-speed charging to phones, tablets, and more
The USB-C Power Delivery port works flawlessly with virtually all mobile USB-C devices
Anker’s latest technology uses a stacked design with custom magnetic components to reduce the size, boost efficiency, and improve heat dissipation.