In Japan, Sony has developed the Pocket Reon: a small air conditioner for the body placed under the shirt to cool you during the hot summer days. It can reduce the body temperature to 13 ° C and can also be used for heating in winter by increasing to 8 ° C. The disadvantage is the autonomy, as it can only work for two hours before needing charging. The project is financed from the crowd and has surpassed 66 million. yen (556.000€) set by the company for the release of. Expected to be released in 2020.