Portable Electric Coffee Grinder Cafe Automatic Coffee Beans Mill Conical Burr Grinder Machine for Home Travel USB Rechargeable GrinderFeatures:- This electrical espresso grinder can be used to soon grind espresso beans, allowing you to get pleasure from a cup of fragrant coffee on your loose time or busy work. - The powder is even and fine, and the thickness can be adjusted steplessly. The ultimate floor espresso powder can reach 30 meshes (>90%). - The cone-shaped ceramic grinding core is rarely tender to generate heat, which reduces the shortcoming of taste and the off-flavors produced through extraction. - One key to open and close, automatically give up grinding when no beans, clear-cut and convenient operation, allowing you to easily grind espresso beans. - The coffee grinder has a compact size. It is USB charging, can be used for 1 week after charging. Very convenient for you to carry when you go traveling and revel in fragrant espresso anytime, anywhere:Material: Plastic ABS, copper motor, PC Color: Black / White Rated voltage: three Wattage: 13W Battery specifications: 3, 1250mAh Maximum charging current: 1A Powder tank capacity: 120ML Use environment temperature: -10~40℃ Relative humidity: 10%~95% Charging time: 3-4 hours Grinding weight: 25g for coffee beans Grinding times: 20 grams of coffee beans are floor into medium particles (100 mesh): 15-18 timesPacking List:1 x Electric Coffee Grinder 1 x Brush 1 x Charging Cable 1 x Manual