1)water massage treatment 2)Oxygen-ion release and air purification 3)beauty skin, ... bathtub.With certificates of GS, ROHS, CE, LVD, EMC ,UL,SGS ,JET, SAA , etc. 1) Jet water stream ... change stream to desired directions.6) Release infrared and negative ion and bio electricity those are good for health of ... cord from machine to plug: 2.8M Tourmaline (ION): OXYGEN-ION TURBO SPA WITH GS, ROHS, CE, LVD, ...