Built-in low-noise pure copper motor, uniform roating speed,hight grinding force.Equipped with 1800MAH large-capacity lithium battery ,endurance capacity 125% increace,can play 30 cups in a row when fully .you can enjoy freshly ground coffee anytime, anywhere. Experience the flexibility of 40 adjustable grind settings to extract a range of flavors from your coffee beans. Our intuitive, external adjustment ring simplifies the process of achieving your preferred grind size, making it easier than ever to customize your brew without the typical mess. Just the power button after fill the container with your favorite beans, the grinder grinding ,Simple and convenient. It takes only 2 minutes to grind 15g coffee beans. This electric coffee grinder can be disassembled as a whole, making cleaning more convenient. The equipped brush can the remaining coffee powder, or directly clean the grinding cavity and transparent tank with water.