One click to turn on the resistance sensor to automatically stop, insert the resistance sensor into the grinding chamber and automatically turn off the power after grinding Thickness changes with the "core" Easily handle different appliances Adjust the knob as needed to meet different coffee needs Powerful Large capacity lithium battery 1250MAH lithium battery, strong battery life Clean with just one rinse Simple and easy to use Rinse leaves no residue, grind beans clean every time Swivel lock< /p> Separate design, easy to use and the lock status is clear at a glance Product grinding core: ceramic grinding core Product name: Electric coffee grinder Product material: food contact material Product size: as shown in the picture Product capacity: 25g (bean container) / 200ml (powder container) Battery capacity: 13W/1500mAh lithium battery Charging specifications: TYPE-C charging port Rated voltage: 3.7V PERFECT GIFT: Everyone needs something to make good coffee at home. With an electric coffee grinder, your loved ones will not only be able to make good coffee, but they can also blend/grind whatever they want. Celebrate Christmas or a birthday by giving your loved one a grinder they will use every day.