Recharge the energy to the tired brain! It gives the energy to the tired brain. That's why it is effective in the attentiveness of examinees or white collars and the prevention of dementia. Oxygen beauty! If you put oxygen directly to water while taking a bath, the dissolved oxygen gives elasticity to skin which is tired by pollution and stress Drivers escape from the exhaust fumes! Sleepiness, headache and breathing problem in driving with carbon monoxide is solved by fresh oxygen. Fresh morning, no more hangovers! If you inhale oxygen while drinking, the central nervous system, which is paralyzed by oxygen deficiency by alcohol dissolution, is normalized. Therefore, attentiveness is developed and you can start fresh morning without hangover. Normalization of the tired lungs by smoking! Fresh oxygen recovers the tired lungs by a carbon monoxide from cigarettes. Double the pleasure of sports! Oxygen not only recovers the fatigue from exercise, but also calms pulse down and activates blood circulation so it generates stamina and energy. It is already well known and used in Japan, Europe and other advanced countries. For the health of the pregnant woman and the new life! Enough oxygen supply activates blood circulation and it helps to deliver nutritive substances to the fetus and mother Oxygen concentrator description Model no. : sb-g8000 Power consumption: 35 W Oxygen generating method: membrane separation method (oxygen enrichment membrane) ; Inhalation method: using a o2 headset (back-hanging type) ; Oxygen concentration: approx 30% (at 20 oc) ; Airflow rate: approx 2l / min. (at 20 oc) ; Continuous operation time: 10 / 20 / 30 minutes with a timer; Operation noise: approx 50 db; Dimensions: w168mm X d240mm X h209mm Weight: 4 kg; AC adaptor: Input: ac100~240v, 50 / 60hz; Output: dc12v, 4a