... makes skin stretch.2. The most safe treatment wayThe oxygen&water device, only oxygen and water required, lustration, sanitation, no side-effect ... tension, and feel comfortable and cleanlily, because of the increasing oxygen, air will become fresh. Gas resourceMedical oxygenGas pressure0.3Mpa-0 ... % 50Hz 3AJet speed≥200m/sDimension32*35*93cmDischarged granule5~80μm Oxygen Jet skin care beauty equipment