Feature:1. Premium Material: This small coffee grinder adopts 420 stainless steel grinding core, and PC and acrylic material ensures long service life, and thickness of the powder can be adjusted.2. Power Saving: This small coffee grinder will automatically enter power saving mode and stop working when there is no coffee beans in the grinder.3. Automatic Return: The blade of this small coffee grinder will automatically return as long as it senses that the cutter head pressure is too large, preventing damage to the blade and prolong the service life of motor.4. Portable Size: This small coffee grinder features portable size and wireless working mode, you can enjoy the coffee anywhere you want.5. Easy to Clean: This small coffee grinder is easy to clean, just unscrew the body and remove the remnant powder with the brush.How to Use:1. Unscrew the coffee bean house according to the label of the product shell and put the appropriate amount of coffee beans2. Lock the bean house and press the power button to start workingSpecification:Item Type: Electric Coffee GrinderMaterial: Stainless Steel, PC and AcrylicPower: 40WBlade: 420 Stainless SteelBattery: 1860 Lithium Battery 800mAh (Battery Included)Charging Time: ~90 MinutesSingle Grinding: ~20g BeansTimes of Use: 20-25 TimesProduct Size: Approx. 16.5 x 5.5 x 5.5cm / 6.50 x 2.17 x 2.17in ( Manual Measurement, Slight Error May Exist)Weight: Approx. 525g / 18.52oz Package List:1 xElectric Coffee Grinder (Battery Included)1 x Brush1 x User Manual1 x USB Cable