About This Portable Espresso Machine: Compact electric coffee maker for outdoor, car, or office use; includes 1 portable coffee machine, 1 USB cable, and 1 car cable for versatile power options while traveling USB Powered Operation: This portable espresso machine can be charged via any USB power source such as a power bank, car adapter, or wall charger, insuring reliable performance in remote locations or on the move Quick Coffee Preparation: Makes fresh espresso in minutes with simple -touch operation; designed for ease of use and efficient brewing whether at home, camping, or hiking Rich Flavor Extraction: Despite compact size, this portable espresso machine delivers full-flavored coffee by optimizing pressure and control during brewing using fine mesh filtration system For Easy Maintenance & Cleaning: Constructed with long lasting materials and smooth superficies, this portable espresso machine resists buildup and is simple to rinse after each use