1.EASY MAINTENANCE Very easy to clean as all parts can be disassembled in just 30 seconds, ensuring hassle hand crank operation; No batteries or electricity required, making this manual coffee grinder both easy to use and clean 2.TAKE IT ANYWHERE Enjoy a freshly brewed cup of coffee no matter where you are with our manual coffee grinder. Its large capacity for beans and powders allows plenty of coffee, while the stylish and compact design fits easily into your travel bag. 3.CUSTOMIZATION FLEXIBILITY With a builtin grind adjustment knob, rotate the knob to achieve your desired coffee grinding, making this hand held coffee bean grinder suitable for making deliciously groomed broth at home, in the shop or even outdoors 4. performance – the manual coffee grinder is equipped with a ceramic grinding wick that prevents heat buildup and ensures that the coffee beans are ground to a precise consistency. This results in a rich, layered flavor and maximizes infusions of coffee flavor, outperforming traditional stainless steel grinders