Hand held battery operated frother, perfect for frothing up Matcha Green Tea powder with hot water or frothing heated milk to add to any tea to make a Hot Tea Latte. For frothing milk (almond milk, soy milk, coconut milk etc.) First heat milk in microwave or stove top. Place end of froth stick into heated milk and froth, add to your prepared hot tea of choice. Note: Teas with citrus or a lot of fruit will curdle. Uses 2 AA Batteries, not included.