Product detailsSpecifications:Name: Electric Coffee Material: PlasticColor: White/BlackSize: 21.5 x 7.5cmRated voltage: 3.7VWattage: 13WBattery specifications: 3.7V, 1200mahMaximum charging current: 1APowder tank capacity: 120MLUse environment temperature: -10~40?Relative humidity: 10%~95%Charging time: 3-4 hoursGrinding weight: 25g for coffee beansGrinding times: 20 grams of coffee beans are ground into medium particles (100 mesh): 15-18 timesPackage Contents:1 x Coffee 1 x Charging cableOnly 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.