This is the TOD2.0: a wearable body thermostat that you can wear on the back of your neck to warm up and cool down instantly. You can adjust the temperature using its app. You get 4 levels of cold and warm to choose from. Manual control is also possible.
More gadgets like this: here
TOD MASTER
This gadget has a temperature range of 59 to 108F. It comes with Bluetooth connectivity and works with iOS 13, Android 8 and later devices. TOD2.0 has a water resistant design. You can find it on Indiegogo.
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