The Goui-Bend 3-in-1 Foldable Wireless Charger has a compact design and is compatible with Apple Watches and AirPods. Voltage input: 5V/3A, 9V/3A 12V/2A Output of a cell phone: 15W/10W/7.5W/5W 2.5W is the watch output. 5W is the headphone output. Product Dimensions: 72.4 x 72.4 x 26.4 mm Interface for input: Type-C Gap for charging: less than 6 mm