Two-stage sharpening design for precision and efficiency Rough Sharpening Stage: High-strength abrasives are used to quickly repair nicks, abrasions and curls on the knife edge. Whether the knife has been dulled by long-term use or has been damaged by an accident, the basic sharpness and shape can be quickly restored in the rough grinding stage. Fine Sharpening Stage: After the rough sharpening stage, the knife enters the Fine Sharpening Stage for fine sharpening. The finer abrasives used in this stage will make the blade smoother and sharper, meeting the high requirements of chefs for knife sharpness and making the knife cut ingredients more smoothly and neatly. Rechargeable design, convenient and flexible Wireless use: built-in high-capacity lithium battery can be used many times after fully charged, free from the power cord. Chefs can use the knife sharpener anywhere in the kitchen without worrying about the limitations of outlet locations, providing greater flexibility for kitchen operations. QUICK CHARGE: Supports fast charging technology, fully charged in a short period of time, even in the busy kitchen work, it can quickly replenish the power without affecting normal use. High quality material, durable Grinding head material: the grinding head is made of high-quality diamond or ceramic and other wear-resistant materials, high hardness, wear resistance, can withstand frequent sharpening operations, maintain good sharpening effect for a long time, reduce the frequency of replacing the grinding head, reduce the cost of use. Body material: the shell is made of durable metal or high-strength engineering plastics, which has good pressure resistance and stability. Not only can it withstand the impact of knife sharpening, but also prevent the body from being damaged due to long-term use, ensuring that the sharpener is durable even in the harsh environment of the kitchen. User-friendly design, safe and easy to use Easy to operate: Equipped with a simple operation interface, usually only the power switch and coarse / fine grinding switch button, even the first-time chef can quickly get started. Simply place the knife into the corresponding sharpening slot, press the switch and follow the instructions to complete the sharpening process. Safety Protection: Designed with multiple safety protection devices, such as non-slip base, to ensure that the sharpener is firmly placed and will not slide when working; hand guards, to prevent the chef's fingers from accidentally contacting the sharpening head during sharpening, to avoid injuries.