Spigen's Essential Ultra Slim Wireless Charging Pad allows fast wireless charging for supported devices up to 1.5x faster than standard wireless charging pads. Built-in safety components protect the device from overheating. LED indicators show when device is charging. Slim/light design. Synthetic exterior and smooth interior for protection Only the QC 2.0/3.0 standard power adapter supports this product's quick charge function.(Not included) It's normal for the pad and phone get slightly warm during charge. Please make sure to follow all guidelines for safe charging.