Meet the Embr Wave bracelet: a smart wearable device with MIT developed technology that warms or cools your body by 5F. You can control your skin temperature with a touch on the color-illuminated bar. Embr Wave has a stainless steel and ceramic construction. You can tap blue or red to feel cooler or warmer.
You can pair the device to your mobile device via Bluetooth easily switch between modes. The battery lasts for up to 3 days on a full charge.[where to get it]