Treat insect bites within moments with your smartphone. Simply plug heat it™ into the charging port and the corresponding app opens. If necessary, you can now customize the treatment. After a short warm up, the contact surface of the heat it™ is placed on the insect bite. Depending on the setting in the app, the treatment takes 4, 7 or 9 seconds and reaches a temperature of between 117 and 126 °F. The app tells you once the treatment is successfully completed.