In the Apollo series, the models are equipped with tourmaline stones in horizontal rows along with all Carbon Wave panels. The hexagonal tourmaline stones sit behind the built-in backrest and emit a wonderful wave of heat when they are heated. Together with the infrared heat from the Carbon Wave plates, you get a soft but incredibly efficient warm-up of your body. The Apollo tourmaline sauna is much appreciated and with the model's slightly smaller glass sections, it gives a cozy feeling where the cedar tree's warm brown tone and the lighting ramp above the glass door on the outside make the model inviting. In the sauna, you can enjoy your best song choices with USB or Bluetooth. In Apollon sauna for 1 person, you sit comfortably with someone when and is a good alternative for you who want to sauna yourself.