Yes, Samsung Pay can be used on compatible smartwatches, provided that the smartwatch is equipped with Samsung Pay and that it supports the payment feature. Users can typically add their credit or debit cards to the Samsung Pay app on their smartwatch, allowing for contactless payments directly from the watch. This feature is convenient for those who prefer not to carry their smartphones while shopping or exercising. To set up Samsung Pay on a smartwatch, users will need to ensure that their watch is connected to a compatible smartphone and that they have completed the necessary setup through the Samsung Pay app. For detailed instructions and a list of compatible devices, it is advisable to consult the information available on the Samsung Pay website.