WACACO Nanopresso Portable Espresso Maker, Upgrade Version of Minipresso GR, 18 Bar Pressure, Extra Small Travel Coffee Maker, Manually Operated, Compatible with Ground CoffeeAchieving the perfect espresso shot is far from easy. The Nanopresso works best with finely ground coffee that is tamped hard. Thanks to its innovative construction and easy operation, Nanopresso will help you brew perfect espresso with a nice and dense cream layer every time. No battery electricity need. Manual operation only! Experience the pleasure of drinking high quality espresso, from the first sip to the last drop, wherever you are. All you