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Temperature Display Ring

~~$19.99~~ $9.99

The ring will display the temperature after you wearing the ring one or two minutes,
some even need to wait for more three minutes.
Normally, the degree will display on the other side of the “℃”. IF is do not shows the degree, Put the ring on a cup of below 38℃ water, note,the water must below 38℃, otherwise, it will destroy the ring.

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