General description The Portable Espresso Machine is a manually operated coffee maker designed for travel. It is compatible with ground coffee and does not require batteries, USB charging, or electrical outlets, making it an ideal choice for coffee lovers on the go. Technical specifications Capacity: 70ml Operation: Manual, piston action Installation Fill the water tank with boiling water. Use the plunger to inject water into the coffee adapter. Press several times to reach the optimum extraction pressure for a strong espresso. Usage Perfect for making espresso anywhere, anytime. Compact size allows for easy transport in a backpack, handbag, or luggage. Other information This portable espresso maker makes a great gift for coffee enthusiasts.