Is oppowatch3 virtual card easy to use abroad?

Easy to use. According to the query of oppo official website, oppowatch3 virtual card is very easy to use abroad. The ECG measurement function has been approved by the US Food and Drug Administration (FDA) as a Class II medical device, and the ECG function can be tested immediately after being purchased in the United States. OPPOWatch3Pro adopts a micro-arc dial processed by 3D hot pressing process, and its shape is quite unique. It's officially called wrist growth design. According to the official statement of OPPO, this micro-arc design is to better fit the wrist and improve the wearing comfort.