Here is a wearable temperature-control device that lets you stay comfortable when you feel a bit cold or warm. The Embr Wave bracelet has an adjustable stainless steel and ceramic construction. You can tap blue to feel cooler or red to feel warmer.
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Embr Wave Temperature-Control Bracelet | MoMA Design Store
The Embr Wave connects to your smartphone via Bluetooth. It can cool or warm your body by 5F. The battery lasts for up to 3 days.
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