Features: 【1】Ceramic Grinding Core: The ceramic grinding core of moveable coffee grinder guarantees that the coffee beans are floor evenly and efficiently, offering a consistent taste every single time. 【2】Adjustable Grinding Precision: Our 200ml burr coffee grinder can regulate the grinding roughness from fantastic to coarse in step with your preferences. 【3】Auto-stop Design: The grinding bin of the espresso bean grinder is designed with resistance sensing, which automatically stops when the grinding is finished to forestall harm to the mechanical device and ensure safety. Specification: Product material: Ceramic grinding core + 304 stainless-steel Product size: 18 x 7 / 7 x 2 Product weight: 364g / 12 Capacity: 200ml Bean bin capacity: 250g / 8 Battery: 3 1500mAh Input voltage: 5V Rated voltage: DC3 Rated Power: 13W Product color: Black, Grey, White (Optional) Packing List: 1 x Coffee Grinder 1 x Cleaning Brush 1 x USB Cable 1 x Manual