Product Description Ceramic Conical Burr for Superior Taste: Equipped with a durable ceramic conical burr that generates less heat during grinding. This protects the natural oils and aromatic flavors in your coffee beans, spices, or nuts, for a richer and fuller aroma in every cup. 40 Precision Settings for the Perfect Grind: Easily set the perfect grind fineness with the external rotary knob featuring 40 clear settings. From extra fine for espresso to coarse for a French press, for a consistent grind perfectly adapted to your favorite brewing method. USB Rechargeable and Excellent Portability: The built-in 1800 mAh lithium-ion battery is easily charged via USB. After a full charge of approximately 3 hours, you can grind enough beans for 15-20 cups of coffee. Its compact and lightweight design makes it ideal for use at home, in the office, or on the go. One-Button Operation and Automatic Shut-off: Operate the grinder easily with just one press of a button. The grinding process starts immediately, and the grinder automatically shuts off when finished, ensuring consistent, unattended grinding without over-grinding. Easy to Clean and Versatile in Use: The grinder consists of three easily detachable parts: the grinding chamber, the collection container, and the motor unit. The grinding chamber and collection container are washable, ensuring hygienic and contamination-free use. Suitable for grinding coffee beans, grains, nuts, pepper, and dried herbs.