... fittings which were specially designed.2 Specification :oxygen concentration≥98%Frequency50/60HzGross weight44.5Kgvoltage110V /220VMeas56x53x110.5cmProduct ... metabolism,balance the incretion,postpone the menopause,improve insomnia,decompress and quicken the excretion of toxin ... metabolism, balance the incretion, postpone the menopause, improve insomnia, decompress and quicken the excretion of toxin. ...