Fast Charge without damage Device, eliminate overcharging. The Circular disk-shaped charging stand is for Apple Watch only, with a flanged surface fitted with a magnet that can pull in firmly to hold the watch when charging. The surface is covered with a white flat, scratch-resistant paint when charging the battery. Fast recognition, just set your Apple Watch to automatically charge. Automatically disconnects after fully charging the battery. Input DC 5V -1A Output 0.5-1.5W (max) Material PC + stainless steel compatible with all Apple Watch models.