1. More precise than blade grinders - persistence, persistence. Compared with blade grinders, the conical grinding blade can provide a more suitable grinding roughness during grinding and generate less heat than stainless steel. It can preserve the natural flavor of coffee beans well. Therefore, this electric grinder is a great choice for making coffee. 2. [Multi - level grinding, suitable for various brewing methods] This coffee bean grinder is equipped with an adjustment wheel through which you can adjust the fineness of grinding (it can grind fine or coarse coffee powder). It is suitable for various brewing methods such as pour - over, drip, cold brew, French press, percolator, airline drinks, Turkish coffee, and espresso. 3. [Visual design] The transparent hopper allows you to see everything clearly and the quality can be adjusted. Press the power button to get the ground coffee you want. Compared with other portable electric coffee grinders, it is relatively convenient to carry. It can meet many coffee brewing methods from espresso to French press and grind a suitable coffee powder for you. 4. [USB charging] This wireless coffee grinder has a built - in 1300mAh rechargeable battery and is equipped with a USB data cable. Using any USB interface, it can be fully charged in about 1.5 hours, so there's no need to worry too much about charging. It is convenient to charge with a power bank, laptop, car charger, etc. This mini coffee grinder can be put into your bag or suitcase. Whether you are at home, at work, traveling, camping, or hiking, you can grind coffee beans anytime and anywhere. 5. [An excellent gift for coffee lovers] If you are looking for a coffee grinder that can be used at home; if you are looking for a coffee grinder that can be carried around when traveling, camping, or working; if you are looking for a coffee grinder that can be given as a gift to friends or family; this one could be a good option for you. 6. Color: Black 7. Material: Plastic 8. Package contents: - 1 coffee grinder - 1 USB data cable - 1 brush 9. Only the above package contents are included, and no other products are included. 10. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the actual one. The allowable measurement error is plus or minus 1 - 3 centimeters.