USB coffee grinder can provide a relaxing grinding experience, achieve extract the amount of flavor to preserve the aroma of coffee. Electric coffee grinder is built with stainless steel body, ceramic grinding core and adjustable coarseness setting, one-handed top button to dispense the amount of coffee powder. Electric pepper mill takes 10 minutes, there are 5 adjustable settings for different grinding sizes, you can easily adjust the thickness of the coffee powder from fine or coarse adjustment.Adjustable thickness, 4 modes, you can freely adjust the thickness of the powder. Turn the nut clockwise to grind the finer the powder. Rotate the nut counterclockwise to grind the coarse powder. Stainless steel wire drawing process, beautiful and durable, non-slip, one-key start, fast grinding, USB interface, charging lamp prompt. It is versatile and easy to carry. You can use it whether you are at home, climbing or camping. Low speed and slow grinding can maintain the mellow aroma, reduce the high temperature in the grinding process, and make the coffee aroma volatilize. Material: stainless steel + ABS + acrylic + ceramic grinding core Size: 8 x 22cm. Color: Show as pictures. Charging method: USB cable charging. Charging time: 1 to 2 hours. Package Included: 1 x Grinder 1 x USB cable