GOX Pure Oxygen Go-X is 99 5% pure oxygen that will re-energise you when you are feeling low. It is quite easy to use. Simply swing in the trip lever & put the inhaler cup over mouth & nose. Then press the trip lever down for 1-2 sec. & inhale deeply at the same time. Inhale at least 5 times for each application. The contents are enough for aproxx. 40 inhalations. Uses: Brain power can be increased by 40% Will lesson the effects of a hangover Alternative medicine Packaging & contents: 1 x Pure X-Go Oxygen Cannister