USB Rechargeable Milk Frother: The rechargeable milk frother is built-in 1200mAh rechargeable battery and USB port. When fully charged, the milk frother can work for 72 hours, you don't have to worry about charging it frequently and you don't need to buy a battery, it's more environmentally friendly. Perfect for use at home, office, camping or traveling. Simple and Easy to Use and Clean: The three-press button on the host is easy to operate. High/Medium/Low, the ergonomic handle gives you a gentle press, a simple three-press switch with a powerful motor that produces very little noise. The upgraded high-speed motor provides enough power to create frothy milk in 20 seconds. The electric whisk is a perfect frothing machine for coffee, latte, cappuccino, matcha, hot chocolate, and other milk foam. Get Creamy Foam Quickly with Great Power: This handheld milk frother is equipped with an innovative premium motor, the must-have handheld frother provides long-lasting and reliable performance.