Description: 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. The grinder is 7.9 x 21.5 cm, ergonomic design, comfortable to grip, stylish and elegant; The grinding speed of coffee grinder is 24000 RPM, and you can check the grinding progress of coffee beans. Electric pepper mill has USB charging function, 1200mAh ultra-high capacity can be used 300-500 times, and it can be used for an average of 30 days per charge. Specification: Material: stainless steel + ABS + acrylic + ceramic grinding core. Size: 7.9x21.5cm. Color: Show as pictures. Power supply mode: built-in lithium battery. Charging method: USB cable charging. Charging time: 1 to 2 hours. Package Included: 1 x grinder. 1 x USB cable.