Features: 1[Stepless Thickness Adjustment] Support 48+ levels of thickness adjustment fine control there are 9 large grids and 12 small grids in a circle the interval is small and the grinding is more fine. 2[AI Smart Sensor] Using AI smart sensor when the coffee beans are ground the grinder will automatically stop rotating to protect the battery and the motor will last longer. 3[Stainless Steel Grinding Head] Selected martensitic stainless steel materials 5 axle CNC cutting the grinding head is strong and wear resistant high hardness and durable to use. 4[USB Charging] Built in 800mAh battery full charge can be ground for 2030 times Type C charging interface suitable for household power supply power bank computer USB socket car charging etc. 5[Multi Purposes] The grinding time of 15g coffee beans is about 45 seconds (pour over thickness) suitable for American coffee machines pour over filter papers French press pots etc. Specification: Item Type: Electric Coffee MillMaterial: ABS+Stainless SteelColor: BlackWeight: Approx. 535g / 18.9ozCurrent: 1ACapacity: 15g Coffee BeansBattery Capacity: Polymer Lithium Battery 800mAh (Included)Charging Time: 90minProduct Size: Approx. 16.6x6.1x6.1cm / 6.5x2.4x2.4in Package List: 1 x Bean Grinder1 x Storage Bag1 x USB Power Cord1 x Brush1 x Manual Note: 1. Please allow 01 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.