COFFEEJACK is able to reach 9 to 10 BAR pressure which is required to extract true espresso. The machine doesn’t need any power source as you manually control it and doesn't require any filters or pods. Its pocket-size format allows you to carry it everywhere.
Incompetence or scammers. Hard to tell but be very cautious giving them any money. They will promise the world however have after 4 years been unable to consistently deliver anything other than constant excuses. You may get a product, you probably wont though. What's more the company has no issues with charging additional shipping after the fact (check out the issues with their kickstarter as an example) . And if you do get a product thats all of what you paid for, based on reports its probably going to break within a few uses and very little recourse to get replacement parts is available as of 2023.
