cabonated drink maker Co2 / soda maker

This is a portable product that make the carbonated water and sodas.
All you need to do is connect the product to a plastic water bottle and turn, then Co2 is injected into the bottle and mixed with water and you can get the carbonated drink!
By using the plastic bottle and keeping upside-down, it can avoid the loss of carbonic acid.
You can easily make the carbonated drinks with this Carbonated drink maker Co2 and keep their own taste for a long time.