Specifications:A manual coffee grinder can provide precise pulverization control from coarse powder to fine powder,suitable for any type of brewing method, such as French pressing, cold brewing, drip irrigation, powder pouring, etc. Part of the visual basis allows you to better observe and control the volume of coffee powder.The professional ceramic cone-shaped burr design makes the grinding process more detailed and the coffee powder more uniform. At the same time, it avoids the overheating of the coffee beans during grinding and maintains the strong original aroma, thereby obtaining a better coffee flavor. It also has a foldable handle, which is very compact. When you are camping, hiking, traveling, or business trip, you will save more backpack space.Manual grinding means no battery is required. The triangular bottle body is more stable and easy to grasp and grind. The coffee burr grinder can effectively avoid the noise generated by the electric grinder from over 90% and create a quiet atmosphere.