Make Creamy Foam in Seconds: High-speed rotation of ABS whisk and food-grade stainless steel rod, this handheld milk frother is perfect for creating rich and creamy foam in 15-20 seconds for your coffee drink USB Rechargeable Milk Frother: No Battery Replacement. Coffee frother with built-in 400mAh rechargeable battery and USB port, It has a light indicator. The green light indicates a full battery and the red light indicates a low battery. After a full charge, it can be used for a few days 3-Speed Adjustable Frother: Just press the button of the coffee frother. You can choose the appropriate mixing speed to achieve an ideal frothing effect between low - medium - high (4500r/min, 6000r/min and 8000r/min). Low speed for stirring egg liquid, Medium speed for mixing protein powder drinks. High speed to create creamy milk froth that can be used in coffee, latte, cappuccino and beverages Easy to Use and Clean: Just press the button to start frothing, then you can effortlessly get rich and creamy foam. Cleaning this matcha frother and whisk is also easy and quick! Just put the stainless steel whisk under water and turn it on. It will clean instantly!