Portable single shot espresso maker. Add 8g of ground coffee to the porta filter and tamp. Then add 80 ml of hot water to the reservoir. Assemble the brewer and hold it above the included mug. Press the pumping knob continually until the mug is full of rich, balanced espresso. Cleaning up after pulling a shot is easier than ever with the redesigned porta filter it only takes a few seconds! An EVA material travel case is included that keeps the NanoPresso safe, even on the most difficult journeys.