Product Name: Electric Coffee Grinder Battery capacity: 1200mAh Battery voltage: 3.7V Charging voltage: 13W Use power: 5V/1A Product capacity: 155mL Bean warehouse weight: 25g Colour:black Material:ABS Size:190 x 75MM Package Contents: 1 x Coffee Grinder 1 x Data cable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm. Surging power, low noise and stable motor revolutions are uniform and stable, grinding is stable, strong endurance, no need for frequent charging, abundant energy, surging power, soft operation Simple one-button opening, intelligent resistance sensing device, automatic power off after grinding, no need to manually press stop, minimalist operation The thickness can be adjusted at will to cope with various utensils. Adjust the knob according to demand to meet different coffee needs and cope with various coffee utensils. The sense of of the LED light is instantly full even in a dark environment, and it can be operated at will Clear at a Transparent bean bin The bin is designed with highly transparent materials, and the output during the grinding process is clear at a