After each use of the coffee machine, the residue can be cleaned with a brush to ensure cleanliness.Premium Manual Coffee GrinderAll-aluminum die-casting body, comfortable walnut handle, and manual coffee bean grinder designed by 38mm CNC stainless steel conical grinding core are fashionable and practical, making you grind coffee more easily and enjoy delicious and healthy coffee.Foldable & PortableThe twopoint cardfoldable handle design makes the coffee bean grinder more convenient to store It is lightweight mini and portable, just 1 lb. It is the first choice for home use and travel. It is a great gift for your family and friends.Efficient & Uniform GrindingThe stylish coffee bean grinder is builtin CNC stainless steel grinding core which makes grinding more efficient and easier Doublebearing positioning makes the grinding disc run more smoothly and the grinding is more uniform.Adjustable Thickness ScaleThe point-type digital thickness adjustable scale design meets the different scale needs of coffee pots such as hand-made pots, moka pots, siphon pots, and French pots, allowing you to easily brew coffee and enjoy delicious coffee.Precautions1. When it is used for the first time, grind a little coffee beans and pour them out to clean the grinding core. 2. The inside of the fuselage cannot be washed directly. Cleaning the grinding core needs to be disassembled and washed or cleaned with a brush. 3. Only roasted coffee beans can be added to the bean warehouse, and other materials cannot be added. 4. The outside of the fuselage can be washed and cleaned. After cleaning, a soft napkin should be wiped clean.You can put different beans or coffee powder according to your preferences, which is very convenient to use and carry.