Heat_it utilises the scientifically proven principle of hyperthermia. Insect bites are treated purely by localised heating of the skin.innovative insect bite healer from heat_it. Developed & manufactured in Germany. Guaranteed safety, quality and functionality for adults & children (self-application from 12 years). Are you annoyed by the unbearable itching & pain of insect bites? With the sting healer & your smartphone, this is now a thing of the past. Without chemicals, ONLY with heat. The heat_it sting healer after insect bites is an innovative sting healer, developed & produced by the young start-up in Karlsruhe. The company is a TÜV Süd-certified medical device manufacturer and guarantees the highest quality. No extra batteries required and up to 1000 applications per mobile phone charge. The heat_it sting healer for insect bites is the innovation against itching & pain. Order the sting healer now and always carry it on your key ring. Phone compatibility - iPhone 6s to iPhone 14.