We used this on our cruise at the end of July, worked great! Just attached to my smart watch band.
https://www.amazon.com/Luke3DP-Adapter-Holding-Carnival-Medallion/dp/B07R93C77G/ref=sr_1_31?crid=B4CGM9LGK1UF&keywords=smart+tag+holder+watch+adapter&qid=1663793406&sprefix=smart+tag+holder+watch+adapter%2Caps%2C133&sr=8-31