... welcomePackageOpp bags, gift box, according your requestUnique energyNeodymium magnet, negative ion, FIR, germaniumDelivery timeWithin 30 daysShippingDHL, Fedex, UPS, TNT ... and relieve fatigue.Function of negative ion1.Negative ions Purify the Air.2.Negative ions help prevent respiratory- ... related illnesses.3.Negative ions counteract the effects of smoking.4.Negative ions are a natural ...