To charge all 3 devices together, you need to use at least 40W Charging Adapter at all times as the power input (not included in the product). This is not a power bank product. Wireless Chargers need to be connected to an adapter (not included in the product) at all times for charging. Compatible with iPhone 17, iPhone 16, iPhone 15, iPhone 14, iPhone 13, iPhone 12 and iPhone Air. Not compatible with iPhone 15 Pro Max Series. Might not be able to hold & charge the Pro Max models in Vertical Orientation due to the bulky positionIt typically requires about 3 hours to charge an iPhone from 20% to 80% and, about 3 hours to charge an Apple Watch within the same range of 20% to 80%Wireless Chargers are nearly 3 times slower in charging compared to wired cable charging. Wireless Charging supports a maximum power of 25W with around 35% of the energy being lost in the process