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.
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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