The Juice Arrow

The juice arrow was a device that originally, when it launched in march of 20 16, cost 700 dollars. It looks like a cureg with nothing on the front except for one button. What you do is, when you want a glass of juice, you go to the fridge, you pull out a plastic bag that's prefilled with some stuff,. You put it machine, all the machine does is squeeze it out. Why is it why? If i enabled, what does that do?