QC2.0 Car USB (Universal Serial Bus) Fast Charger Adapter for Samsung S6 Edge Note 4 HTC M9 Description:QC 2.0 is designed to interoperate with existing USB (Universal Serial Bus) charging solutions. To achieve full charging speeds, a QC 2.0 enabled device must be paired with a QC 2.0 certified adapter. Feature:1. QC 2.0 is a power charging technology that needs less time for charging than before.2. In a small size & made from well-chosen material in excellent process, it is a good companion for car travelling.3. It supports chargers of three kinds of voltage. With the technology of intelligent detection, it will match the optimalvoltage to charge & the best combinations are 5V (ordinary), 9V & 12V (quick charge).4. With optimized circuit design with IC switch judging & processing, it can provide seven kinds of securityprotection to protect the working time of product battery, such as over current protection, overvottage protection, electric leakage protection & short-circuit protection, etc...5. Products Compatible with QC2.0 Function: 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) LTESony Xperia Z3, Z4 Tablets Sony Xperia Z1, Z2, Z3, Z3 Compact HTC Desire Eye HTC One (M9, M8), One (E8)HTC One remix LGG2, 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 Motorolaand other devices Specification: Input: 12-24 V Output: 5V-2.4A, 9V/12V-2A 18WLED working indicator: Y