A:AnswerHi, Karissa. The Belkin BOOST CHARGE 18W USB-C PD Car Charger should work with any devices using the correct cable, but the product and the cable should work with any lightning enabled devices.
A:AnswerHi, Deb. The Apple Watch 7 is not yet tested with the Belkin wall charger. Moreover, the charger is designed for USB-C devices or those that are utilizing USB-C charging cable up to 18 W.