Qualcomm Quick Charger 2.0 Tech: Quick charger 2.0 is a power charging technology that needs less time for charging than before, and the adopts of Qualcomm Quick Charger 2.0 Tech ,enables the power adapter speed up to 75% faster than conventional technology Universal compatibility: With Auto Detect technology, each port intelligently identifies your device and seeks to maximize its charging speed for Non- Quick Charger 2.0 devices such as iPhone and iPad Most Powerful: This portable car charger simultaneously charges up to 4 devices and Delivers an whopping 54 watts of power at once Safe and reliable:Designd with advanced technology to provide with over-current, over-heating, over-voltage, and short-circuit protection What You Get: The Vodool 54W 4-port USB car charger, welcome guide, our fan-favorite 12-month warranty and friendly customer service