Multi-Purpose Grinding: Our mini spice grinder is perfect for daily or personal use and can grind various DRIED/DEHYDRATED materials, including coffee beans, rice, seeds, peppers, masala, grains, indian spices, small herb pieces, seasonings and so on. The nucleated or crusty materials should be removed the nuclear or the hard shell and then ground. Portable Small Size, 200W Motor: Our electric coffee grinder can be held by one hand easily and its compact design occupies less counter space, also easy to store in a cabinet or drawer. NOTE: Due to high speed of the motor, the grinding machine will heat up slightly. Some burnt smell is normal due to motor running. Transparent Plastic Lid:Through the transparent lid, you can observe the grinding process to get coarse or fine flour. Grinding Capacity: about 50g-100g one time. Different grinding time makes the fineness different.NOTE:When grinding, the smoke-like particles you see are actually fine flour, Not Smoke. Clean & USE TIPS:1. Don't rinse the grinding cup or the motor base with water directly. Please Use a brush or dry cloth for cleaning; 2. Recommend rest about 60 seconds after using for every 30-45 seconds for better motor maintenance and make sure the use voltage is 110V; 3. Recommend the ingredients to be ground should cover the blade and not exceed 2/3 of the grinding cup. Press-Button Start, Easy to Use: Just press the ON/OFF button to start grinding job and release the button, the grinding will stop immediately. STEPS: 1. Pour the coffee beans into the grinder (not exceed 2/3 of the grinding cup) ; 2. Close the lid tightly to make sure it is locked. (When in use, the lid must be closed tightly) ; 3. Press the button to start working, 10s pause once; 4. Cut off the power and pour out.