QC 2.0 is designed to interoperate with existing USB charging solutions. To achieve full charging speeds, a QC 2.0 enabled device must be paired with a QC 2.0 certified adapter. You can't get these speeds with just any adapter. Features: 1. QC 2.0 is a power charging technology that needs less time for charging than before. 2. With optimized circuit design with IC switch judging and processing, it can provide seven kinds of security protection to protect the working time of product battery, such as over current protection, overvottage protection, electric leakage protection and short-circuit protection, etc.. 3. It supports chargers of three kinds of voltage. With the technology of intelligent detection, it will match the optimal voltage to charge and the best combinations are 5V (ordinary), 9V and 12V(quick charge). 4. In a small size and made of well-chosen material in excellent process, it is a good companion for car travelling. 5. Products which are compatible with QC2.0 Function as followed: Samsung galaxy note 3 LTE, note 4, note edge Samsung galaxy S6\/S6 edge Samsung galaxy S5, Alpha Samsung galaxy Tab S (8.4, 10.5) LTE Sony Xperia Z3, Z4 Tablets Sony Xperia Z1, Z2, Z3, Z3 Compact HTC Desire Eye HTC One (M9, M8), One (E8) HTC One remix LG G2, G3, G4, G Flex 2, G Pro 2 Amazon Kindle Fire HDX 7, 8.9 Nexus 5, 6 from Google Nokia Lumia 930, 1520, 2520, icon New Moto X, Droid Turbo by Motorola and other devices Notice: Please use your phone original USB charging cable charge your phone. No QC2.0 function products can also be charged by this charger, but is conventional charger,not QC2.0, eg,for iPhone series phone, MP3, Camera,iPad,etc. Package Included: 1x QC 2.0 car charger (Do not include USB cable)