1. Ceramic grinding core, the powder is more delicate 2. Unlimited gears to adjust the thickness, the thickness can be freely selected 3. One-key start, transparent visual chamber, LED ambient light 4. Type-C body charging, charging faster and more durable 5. Separate dustproof cover, easy to clean Built-in lithium battery: polymer lithium battery 500mah Function: battery display, weak current reminder Noise: less than 60db colour: black Material: stainless steel + PC Size: 17x4.8cm Package Contents: 2 x Grinder 2 x Type-C Cable Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.