NRGized 30W 4-Port Smart Charger with Stand for All Phones Intelligent Charging Technology: Automatically recognizes your devices and maximizes charging efficiency. Charge all USB powered devices at safest maximum speed. Get a full charge in half the time. Safe and Sturdy Design: Built-in premium circuitry and microchip protect your devices against excessive current, overheating, and overcharging. Lightweight & Compact: The portable design makes this charger ideal for worldwide travel. Mulit-ports allow you to charge up to 4 devices at once. Universal Compatibility: Charge any USB device, features optional AC plug. Ideal for iPhone & Android, tablets & iPad, audio and photography gear. Warranty: 1 Year Hassle Free limited warranty and USA based customer service.