Cold Press Juicer Machines, AMZCHEF Slow Masticating Juicer with Reverse Function, High Juice Yield, Easy Clean with Brush,Recipes for High Nutrient Fruits and Vegetables, Black(Updated)Brand: amzchef Color: iron black Features: Upgrade Spiral System,Richer NutritionAMZCHEF cold press juicer machines with 7 spiral masticating for maximum juice yield, minimal oxidation, reserved most nutrition. As a masticating juicer ,it can make various health foods for your family. Such as extracting gingers, celery, oranges and other fibrous fruits vegetables. Note: it is normal for the sound to occur when stirring, it is the sound of the machine