... 1.Oxygen therapy facial machine 2.Oxygen injector,sprayer 3.Vacuum pen,mask+bio sticks 4.Multifunctional 4.CE Portable Oxygen Jet ... Oxygen therapy facial machine Oxygen Facial EquipmentW/ Oxygen injector, sprayer, vacuum pen O2 mask and BIO sticksWorking TheoryThe Almighty oxygen jet ionizes ... Meanwhile, it also can use the suction of the sucking pen to cleanse the lymph, use the Bio biology current to ...