Battery operated portable hand blender for lassi, milk & coffee operated by aa 1.5 v x 2 batteries not included ,structure - stainless steel stirrer and plastic hand shake best for frothing or making sherbet ,yogurt ,lassi or cold coffee or protein shake at gym or espresso cappuccino it will beat your eggs faster and better than what you can with a spoon.it will froth your milk and coffee/cappuccino as if you are having it at a cafe!please note its a electronic small blender for mixing & egg beating or frothing