Here is another compact multi-charger that can charge your phone and smartwatch at the same time. The Twelve South ButterFly Dual Charger folds to 2.25 to 5 inches, so you can easily take it with you anywhere. It doubles as a stand for your phone. You can also use it to charge your AirPods.
This dual charger has a 15W MagSafe charger as well as an Apple Watch fast charger. Butterfly has an anodized aluminum shell, so it fits well with your MacBook and other Apple devices.
[where to get it]