[High Cost-performance] High hardness ceramics burr,premium aluminum alloy body,double bearings,walnut handle,grinders are superior in qulity,attractive in design and reasonable in price compared with other far more expensive manual coffee bean grinders Suitable for any kind of coffee beans, regardless of the degree of roasting You can make consistent particle size of coffee powder with the high hardness coffee grinder burr. [Roughness Adjustment Function] Easily rotate the dial according to your preference from finer to coarser settings, you can use this hand grinder for everything from espresso to pour over and French press..You can explore a of brewing methods (espresso, pour over, french press, automatic etc.) 38 levels of fine grinding thickness. Rotate the external adjustment ring at will to accurately adjust the powder thickness to adapt to different brewing methods and unlock various flavors. The battery power is clearly visible on the smart digital display. After powering on, the battery power is displayed in real time to accurately control power consumption. Product name:Electric coffee grinder with external thickness adjustment Model:HB-995 Product weight:450g Function:USB-C lithium battery charging 1500mAh 18650 battery 3.7V 13W Colour:B:Black Material:ABSandPC Size:7.1x7.1x20.5cm Package Contents: 1 x Coffee Grinder 1 x Cleaning Brush 1 x Charging Cable Only the above package content, other products are not included. Note: Light reflection 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.