Cordless coffee burr grinder with ceramic conical burrs, designed to grind beans evenly while preserving aroma. The device has an external grinding thickness adjustment, which makes it easy to quickly adapt to different brewing methods. Battery power (Li-Ion 2000 mAh) and USB-C charging support mobile use without the need to plug into an outlet. The transparent window allows you to control the amount of beans and the grinding process, and the compact dimensions make it easy to store.