What is Embr Wave?

And why isn't there another "e" in Embr?

Embr Wave is a thermal wristband that provides relief and comfort at the touch of a button. Whenever you’re feeling uncomfortably warm or cold, simply push the button for a touch of cool or warmth!
The localized temperature comes in waves designed to maximize your thermal comfort. Use this sensation to take the edge off and warm up or cool down — anytime, anywhere.
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