Adjustable Handle 32 Levels Recumbent Exercise Bike Oxygen Wavelength 420nm/520nm/590nm/633nm/850nm

Wavelength    420nm/520nm/590nm/633nm/850nm

Does this machine make its own oxygen or is there a tank that has to be recharged

Packing size 125*66*92cm

Bar+stool package: 1PC

--The filter of the oxygen generator can remove dust

Adjustable Handle 32 Levels Recumbent Exercise Bike Oxygen Wavelength 420nm/520nm/590nm/633nm/850nmSpecifications Model Number HNT LE E001A Type Training Apparatus Product name rehabilitation leg and hand Function Limbs exercise training Application Brain Disease, Nervous disease, bone and joint disease Warranty 1 Year Assurance Size 170*89*170cm Certificate CE Model HNT LE E001A Packing wood case Weight 130kg