Adapter Specification INPUT: 10~240V-50-60HZ 0.50AOUTPUT: 5V/2.0A or 9V/1.67ASmart Universal Fast Charger SetAdaptive Fast Charger pump out 15 watts and maximize the charging efficiency. With Smart-iC Intelligent Technology, it could automatically detect your devices to deliver optimum charging speed: 1) Work with Adaptive Fast Charging (AFC) compatible devices as a fast charger; 2) Work with Quick Charge 2.0/1.0 (QC 2.0/1.0) compatible devices as a fast charger; 3) Work with other non-fast USB devices as a standard charger with normal speed. How Fast Could It Be? Fetchpower fast wall charger set compatible with both Quick Charge 2.0 (QC 2.0) and Adaptive Fast Charging (AFC), enables mobile phone to be 50% charged in 30 mins (Samsung S7 is used as the test object, it has a 3000 mAh battery and supports the Quick Charger 2.0), 75% faster than conventional chargers. Comprehensive Safety Exclusive security protection system against over-heated, over-current, over-charging, short circuit. Fast charging Compatible phone model: - Samsung Galaxy S6 / S6 Edge / S6 Plus / S6 Active / S7 / S7 Edge / S7 Plus / S7 Active / S8 / S8 Plus / S8 Active / S9 / S9 Plus / S9 Active / Note 8 / Note 9 and More Mobile Phone, Tablets. Package Includes: 2 x Adaptive Fast Charging Adapter Worry-Free Warranty: For 30 Days after the date of purchase, we take care of all quality-related issues with a REPLACEMENT OR FULL REFUND (without returning damaged / defective item).