Professional grinding, simple operation, idling automatic stop. The powder is uniform and delicate, portable and , and easy to carry. Built in adjustable grinding device can accurately control the roughness of coffee beans. Multi scene and multi-function. perfect for grinding coffee beans, nuts, seeds, herbs and spices, it can energy and time. 304 stainless steel is not easy to adhere and does not leave peculiar smell (except that the cannot be washed with water, other parts can be washed) Product Name: Electric Coffee Grinder Model: -987 Function: USB-C lithium battery charging 800mAh Touch screen control switch, LED power display Rated voltage: DC3.7V~ rated power: 13W Suitable for: Drip Coffee, Espresso, French Press, etc. Multi scene use: Portable coffee shop, travel, business trip, , backpack and suitcase can be placed. The bean and powder bins are dishwasher safe. Transparent bean bin, stainless steel body. Grinding automatically stops without beans Charge for 3 hours. Work 12 , one time 25G coffee beans of medium thickness USB- TYPE C cable charging, Colour:silver Material:ABS+Ceramic Package Contents: 1 x Electric Coffee Grinder 1 x Charging Cable 1 x cleaning brush 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.