Portable Design and USB Charging: This coffee grinder is small and compact, convenient to carry and use anywhere. It can grind 25 grams of coffee beans at a time, built-in 1500 mAh lithium battery, can grind 25 cups continuously after fully charged. You can easily charge the battery via USB.New Upgraded Smart Touch Panel: This grinder adopts an intuitive touch panel design, simple to operate, just tap to wake up the machine, it can display the power level in real time, help you accurately control the power situation, press again to start grinding. It will stop automatically after grinding, you don't need to bother to check, grinding beans is more comfortable.38 Precise External Grinding Settings: The grinder has 38 precise grinding settings, allowing you to adjust the grinding size from coarse to fine. This feature ensures that you can get the perfect grind according to your favorite coffee brewing method, such as espresso, French press coffee, cold brew coffee or drip coffee.Slow Grinding Maintains Better Flavor: Our coffee grinder adopts ceramic conical burrs, which are in close contact with the coffee beans during the grinding process, and the grinding is more uniform. The ceramic burrs generate less heat during the grinding process, which can retain the natural aroma and fragrance of coffee to the greatest extent.Easy to clean: The entire body is detachable and washable, making cleaning more convenient. The equipped brush can simply clean the remaining coffee powder, or directly use water to clean the grinding chamber and transparent slot. The material is ABS, S/S, safe and healthy. Note: It is forbidden to clean the main unit with water