In the Apollon series, the models are equipped with tourmaline stones in horizontal rows along all the Carbon Wave panels. The hexagonal tourmaline stones sit behind the built-in backrest and emit a lovely heat wave when heated. Together with the infrared heat from the Carbon Wave plates you get a soft but incredibly effective warming of your body. Apollon tourmaline sauna is very much appreciated and with the model's slightly smaller glass sections it gives a cozy feeling where the cedar's warm brown tone and the lighting ramp above the glass door on the outside make the model inviting. In the sauna you enjoy your best song choices with USB or Bluetooth. In Apollon sauna for 2 people you sit comfortably with someone near and dear or it is a good alternative for you who want to massage yourself but want that little extra space.