[Adjustable Grinding Precision]There are seconds marks above the timing knob, from coarse to fine. You can the precision of according to your needs.[Multi-functional Coffee Grinder]This electric coffee grinder can also be used for grinding other dry ingredients, such as pepper, cumin, Fenugreek, parsley, , star anise, , soya, quinoa, sorghum, rice and crystal sugar.[Quieter than Other Competitors]The average noise is 63 dB, which is quieter than other coffee grinders. up early and grinding coffee beans without disturbing your families sleep in the morning.[How to use] (1)Put moderate amount of coffee beans and put the lid on. (2)According to your preferred favor, adjust the timing knob. 5 seconds and above. (3)Short press the switch button to turn it on. No need to keep pressing down the button to it. (4)Grinder stops automatically. Pour over the from the cup with the included spoon.Color: BlackMaterial: plasticPackage Contents:1 x 1 x USB cable1 x brushOnly 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.