A. The motor is powerful with low noise. It has a uniform and stable speed, enabling stable grinding and strong endurance. It doesn't need frequent charging, with abundant energy, powerful power, and gentle operation. B. It can be easily turned on with a single click. It is equipped with an intelligent resistance sensing device and will automatically power off after grinding is completed, eliminating the need to manually press the stop button. The operation is relatively simple. C. The thickness can be adjusted as needed to fit different coffee - making utensils. Adjust the knob according to requirements to meet different coffee - making needs and fit various coffee utensils. D. Even in a dark environment, the LED light creates a suitable atmosphere, facilitating easy operation. E. The transparent bean hopper allows for a clear view. It is made of highly transparent material, making it easy to see the powder output during the grinding process. Product Name: Electric Coffee Grinder Battery Capacity: 1200 mAh Battery Voltage: 3.7V Charging Power: 13W Operating Power: 5V/1A Product Capacity: 155 ml Bean Hopper Weight: 25 g Color: Black Material: ABS Dimensions: 190×75 mm Packaging Contents: 1. One coffee grinder 2. One data cable The package mainly includes the above - mentioned items. Note: Light reflection and different displays may cause some slight color differences between the item and the actual product. A measurement error of plus or minus 1 - 3 cm is acceptable.