Features Large Battery Capacity Large capacity battery of 1250mAh, fully charged can be used 15-18 times; USB charging and Type-C cable is convenient. Free Control Of Thickness Adjustable coarseness, the finest can grind 30 mesh (>90%) of coffee powder Large Capacity It can grind about 25g of coffee beans at one time, Powder silo capacity is 125ml Ceramic Grinding Core Ceramic grinding core is not easy to heat up, reduce flavor loss, reduce the odor produced by extraction, and maintain the flavor of coffee beans. Easy To Operate One button to open and close, grinding will automatically stop when there is no coffee beans, suitable for most people to use Portable This product weighs 0.4Kg, is light and convenient, and is suitable for one person to use or to carry out. Both the bean and powder bins are washable (can be washed in the dishwasher). Tips Blue light flashing: working Red light flashing: insufficient power Red light: charging Blue light: fully charged Specifications Material: Plastic ABS, copper motor, PC Color: black Size: 18.5*7.4CM diameter Weight: 0.4KG Packing size: 20*9.2*9CM Rated voltage/power: 3.7V/13W Battery specifications: 3.7V, 1250mAh Maximum charging current: 1A Grinding weight: 25g coffee beans Powder warehouse capacity: 120ML Use environment temperature: -10~40 Relative humidity: 10%~95% Charging time: 200-240 minutes Packing List: 1* Coffee Grinder (Host) 1* Cleaning Brush 1* USB TYPE-C Charging Cable 1* English User Manual 1* Packing Box