VOLTZ Wireless Charging Pad with wall charger. Life time warranty. Wireless Charging begins the moment you place down any Qi-enabled device or device equipped with a Qi-compatible cover. No cables or USB interface required. Input: 4.6-5.5V; Output: 6W. Intelligent Features: Temperature Control activates at 107 fahrenheit to keep your device safe. Power-efficient idle mode never overcharges your battery or wastes energy. LED Indicator Lights: Red means it's ready to charge, the green light indicates that charging has commenced.. If the light remains red, it means an unsupported device has been detected or the device is not placed correctly. What you receive - VOLTZ Wireless Charger (Qi Wireless Charger), Micro USB cable, Instruction guide, Lifetime warranty and friendly customer service. The unit is only 2.6 inches in circumference, and less than an inch think. It's simple design ensures it looks great on a desk, kitchen bench or nightstand. The rubber pad on the bottom ensures it does not slip.