The Heat It device, made in Germany, connects to a phone's USB-C port. It alleviates symptoms caused by mosquito, horsefly, bee, and wasp bites and stings. A free downloadable app controls the device. Usage is also free and does not require registration, account creation, or similar steps. The treatment works by heating the bite area. The temperature can be set between 47°C and 52°C, and the treatment time can be selected as 4, 7, or 9 seconds. The device can be used from the age of three and up, and self-use is recommended from the age of twelve and up. - One treatment uses about 0.1% of the phones battery - Type IIa medical device, manufacturer Kamedi GmbH, Karlsruhe, Germany - Dimensions: 37 x 17 x 8 mm - Weight: 4 grams Thanks to an advanced safety concept, your smartphone and its battery are optimally protected during use. Medical device information: Type IIa, Manufacturer Kamedi GmbH, 7 Haid-und-Neu-Straße, Karlsruhe, Germany. UDI-DI/EUDAMED ID 04262370290351. CE 0123.