Featuring portable size and adjustable grinding effect, you can enjoy freshly ground coffee at home, work, travel, hiking, camping Note: The motor is forbidden to be washed with water. Features: Ceramic conical burrs can retain coffee's natural flavour and aroma more than blade grinders Coffee beans can be ground from fine for espresso to coarse for French press Using a knob to control the thickness of coffee beans One button switch, automatic stop without bean grinding Transparent working compartment, clear at a glance The blue light is working, and the red light flashes to remind charging The bean bin and powder bin are detachable design, comes with a cleaning brush, easy to clean and wash. USB-C rechargeable, small and portable Specifications: Material: ABS, Copper Motor, PC Colour: Black Size (D x H):7.5cm x 18cm Battery: 1250mAh Battery Type: Lithium Battery USB Interface: Type-C Charging Time: 3 hours Working Time: About One Week, 3 times per day Rated Voltage: DC 3.7V Rated Power: 13W Coffee Bean Bin Capacity: 25g Coffee Powder Bin Capacity: 120ml Package Contents: 1 x Coffee Machine 1 x USB Type-C Cable 1 x Brush 1 x Manual