Versatile Grinder - This multi-purpose grinder is perfect for everyday use, grinding a variety of dry/dehydrated materials including beans, peppercorns, coffee beans, nuts, grains, spices, herbs, etc. Pitted or shelled materials should be removed from the pit or hard shell before grinding. Compact Size & 150W Portable Motor - This portable coffee grinder easily fits in one hand; its compact design takes up minimal counter space and stores easily in a cupboard or drawer. [Note!] Due to the very high motor speed, the machine will get slightly warm. A slight burning smell is normal due to motor operation. Transparent Lid - The transparent lid allows you to view the grinding process and achieve coarse or fine powder. Grinding amount: approximately 50g-100g at a time. Different grinding times result in different powder fineness. The smoke-like particles you see while grinding are actually fine powder, not smoke. Cleaning & Maintenance - ① Do not wash the grinding chamber directly with water and do not rinse the motor base. It is not waterproof. Clean with a brush or dry cloth; ② It is recommended to rest for about 60 seconds for every 30-45 seconds of use for better motor performance; ③ It is recommended that the crushed raw materials cover the blade, not exceeding 2/3 of the grinding chamber. One-Button Start, Easy to Use - Simply press the on/off button to start grinding; release the button to stop immediately. Steps: ① Pour coffee beans into the grinder (do not exceed 2/3 of the grinding cup at a time); ② Close the top lid to ensure it is locked; ③ Press the button to start and pause every 10 seconds; ④ Turn off the power and pour out the powder.