Description: USB Electric Coffee Grinder: The Cordless USB rechargeable mini coffee grinder fully automatic system offer you energy with silky tasty espresso coffee. Transparent grinding housing that allows easily observe coffee powder. Multi Grind Setting: The grinding degree can be adjusted from coarse to fine. You can adjust the regulator settings to grind your coffee beans; Turn clockwise for fine, counterclockwise for coarse powder.(It can grind up to 30# mesh of coffee powder) Safe and Easy to Operation: Easy to put your beans into the grinder, one button operation, automatic grinding, never have to worry about uneven coffee grounds, no matter which grind size you select; No bean grinding automatically stops. Easy to Clean: The bean cabin and coffe powder are separate and detachable design easily for effortless clean up. USB Type C Port: USB type c port coffee bean rechargeable, fully charge for 3 hours. Working for 1 week, grind 3 times for a day, 25G coffee beans of fine coarse at a time. Blue light for working, red light for charging. Specification: Material: Stainless Steel Size: 7.5x7.5x18cm /2.95x2.95x7.09inch Package Includes: 1 Piece Electric Grinder 1 Piece USB Cable 1 Piece Cleaning Brush Note: Please allow slight dimension difference due to different manual measurement.