Material: ABS Packing Size: 9X9X20cm Product Size: 7.5X7.5X18cm Product Weight: 470gMore precise than a blade electric burr grinder grinder consistently crushes coffee beans between ceramic conical burrs. This process also preserves the natural flavor and aroma of coffee better than a blade grinder. The reservoir can grind up to 1 ounce/30 grams (enough for 4 cups) of coffee beans in a single batch. The automatic and portable fully automatic system allows for convenient hands-free sanding. Put this wireless and USB rechargeable mini coffee grinder in your bag or suitcase, you can enjoy freshly ground coffee anytime and anywhere, whether at home, work, travel, etc. The Multi Grind Setting portable conical coffee grinder has multiple grind settings to grind your coffee beans for any desired brewing method, from espresso to French press, from ultra-fine to extra-coarse. With the LAIJUHM electric coffee grinder, you will never have to worry about uneven coffee beans, no matter what grind size you choose. Easy to clean cleaning brush included for easy cleaning. The removable top burr, hopper and chamber are easily removed for easy cleaning. Never use water or other liquids to clean the inside of the espresso bean/burr grinder. Thank you for your attention, if you want to buy more than we listed, please sit . Welcome to visit. I hope you have a nice day!