USB charging The coffee grinder is equipped with a USB Type-C charging cable and a rechargeable 850mAh lithium battery.It takes 1-2 minutes to grind the coffee powder. You can easily grind a cup of high-quality coffee anytime,anywhere. Small and portable This portable coffee grinder is small in size and can be put in a travel bag. This coffee grinder can be freely retractable. Thanks to the built-in battery, you can take the coffee burr grinder with you on trips,camping trips and long-distance trips.You can enjoy quality and favorite coffee anywhere you go. Multi grind settingThe portable conical burr coffee grinder boasts multi grind settings to grind your coffee beans for any desired brewing method, from espresso to French press, - from ultra-fine to extra-coarse.With electronic coffee grinder you will never have to worry about uneven coffee grounds, no matter which grind size you select. Easy to clean This electric coffee grinder can be disassembled as a whole, making cleaning more convenient. It can simply clean the remaining coffee powder with a brush,or directly clean the grinding cavity and transparent tank with water.The material is ABS, PP, safe and healthy.Note: The motor is forbidden to be washed with water.High-quality After-sales ServiceWe provide you with a full range of purchase protection services, if you have any questions or doubts, please contact our customer service team, we will be the first time for you to answer.