Multi-Functional Nima Mixi Is Perfect For Daily Use & Can Grind Various Dried/Dehydrated Materials, Including Beans, Peppers, Chili, Coffee Beans, Nuts, Grains, Cereals, Spices, Herbs, Seasoning. The Crusty Materials Should Be Removed. Portable Grinding Machine Can Be Held By One Hand Easily; The Compact Design Occupies Minimal Counter Space & Is Easy To Store In a Cabinet Or Drawer. Through The Transparent Cover, You Can Observe The Grinding Process & Get Coarse Or Fine Powder. Grinding Capacity: About 100g-150g One Time &The Different Grinding Time Makes The Powder Fineness Different. When Grinding, Don't Wash The Grinding Cup With Water Directly Or Rinse The Motor Base.