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 GrinderModel: -987Function: USB-C lithium battery charging 800mAhTouch screen control switch, LED power displayRated voltage: DC3.7V~rated power: 13WSuitable 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 beansCharge for 3 hours. Work 12 , one time 25G coffee beans of medium thicknessUSB- TYPE C cable charging,Colour:silverMaterial:ABS+CeramicPackage Contents:1 x Electric Coffee Grinder1 x Charging Cable1 x cleaning brushOnly 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.