The Calorya is a very decorative gentle heat diffuser. Its use is extremely simple and adapts equally well to essential oils, ambient fragrances, and scented wax squares. Simply place the scents in the dish and press the button. The effect of the heat will activate the diffusion, and your interior will be bathed in a soft and pleasant fragrance. Ceramic, wood, or glass, the different models offered allow everyone to find the style suited to any interior decoration. The button allows you to start the diffusion and adjust the lighting as desired. The removable lid makes it easy to clean and change scents. The models presented operate on a USB plug with a type C adapter provided. It can be used with a USB adapter from your country of at least 5V-3A. Note that Calorya No. 2, No. 7, No. 12, No. 15, and No. 16 are equipped with a type C plug; for the United States, a 110/220V converter is necessary.