Large capacity battery of 1250mAh, fully charged can be used 20-25 times; USB charging and Type-C cable is convenient.     Adjustable coarseness, the finest can grind 30 mesh ( more than 90%) of coffee powder     It can grind about 25g of coffee beans at one time, Powder silo capacity is 120ml     This product weighs 0.58Kg, 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).     One button to open and close, grinding will automatically stop when there is no coffee beans, suitable for most people to use          Colour: silver     Material: stainless steel          Package Contents:     1 x coffee grinder     1 x USB cable     1 x cleaning brush          Only the above package content, other products are not included.     Note: Light shooting 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.