Electric coffee grinder, equipped with incisive blades, fast grinding speed and high working efficiency. The safety grinding blade designed to prevent jamming or overheating only works when the grinding chamber is close. Just press the grinding button to start, 7 seconds-coarse, 15 seconds-medium-medium, 20 seconds-fine, 25 seconds-super fine . Suitable for coffee beans, grains, herbs, pepper, spices, condiments, etc. The coffee grinder is a must for every coffee lover, capable of making coffee. delicious coffee for you.