A Miniature Electric Milk Frother For Household Use. A Hand Held Milk Mini Milk Frother Coffee Frother Rechargeable USB Egg Whisk for Egg Mini mixer (milk frother) and cup of whipped milk on beige background Hot & Cold Handheld Milk Frother Petite Gourmets Minimalist Handheld Milk Frother BigCupOfCoffee.com. The Mini Milk Frother by Smeg is designed to create smooth, velvety foam for coffee and hot drinks at home. Crafted with multiple temperature and frothing settings for versatility across beverages. A considered kitchen essential that refines your coffee routine.