... light, musicotherapy, RF, oxygen inject, oxygen spray.Advantages♦ Electronic oxygen generation.♦ Patent hyperbaric mask with musicotherapy.♦ Oxygen jet RF, bio, supersonic, oxygen mask with light.Accessories ... musicotherapy.Features Compared with Other Oxygen Machines♥ 5M multi polar RF thermal slimming system.♥ 1MHz supersonic for facial.♥ Heart rate test technology.♥ USB ...