On Sony’s crowdfunding platform in Japan, the slender, personal thermoelectric cooling unit known as the Reon Pocket can purportedly reduce a user’s body temperature by 13 degrees Celsius (or 23 degrees Fahrenheit). About the size of a card wallet, the Bluetooth-equipped device slips into a dedicated sleeve on the back of an accompanying undershirt. Its temperature can then be controlled through an iOS or Android …
Sony’s Reon Pocket Wearable Air Conditioner