It’s clear from the video that this product creates strong coffee. If it was espresso, there’d be a nice layer of crema. There is not. Crema is only possible when certain physical conditions are met (temperature and pressure). These )among others) will enable the chemical and physical reactions that produce espresso as it is defined by various specialty coffee associations. Do your homework if you want real espresso from a portable device. H-u-g-e difference between good, strong coffee and espresso. This thing produces coffee. It cannot produce espresso. Neither can a stovetop “espresso” maker (moka pot) but that’s often an emotional argument. A steam-powered system can produce, at the very most, 2 atmospheres of pressure. Espresso requires at least 9 For the chemistry to happen.
https://ksr-ugc.imgix.net/assets/016/880/505/8518683b7729a7a033cc7e78a75f9dfd_original.gif?w=680&fit=max&v=1496150430&auto=format&gif-q=50&q=92&s=7af7503d0d857055f348f4a0548654ec
But yeah, very doubtful.