Features: *High-quality material: Made of high-quality material, durable, not easy to break, can be used for a long time. *Rechargeable: Using USB charging, it is portable and the battery can use for a long time. *Ceramic grinding cores: Ceramic grinding cores is not easy to heat, reduce flavors loss, reduce the extraction of miscellaneous-smell, grinding cores parts can be cleaned, not easy to leave a smell *Portable: Mini size, easy storage, also suitable for take-away travel, outdoor camping, picinc etc. *Free control thickness: Using a knob to control the thickness of coffee beans, it is easier to control the thickness of the desired ground coffee beans. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: ABS304 ceramic grinding cores Working voltage: 7.4V Battery capacity: 800mAh*2 Product capacity: 150ml Motor speed: 78RPM±10 Package List: 1 x Coffee Grinder