Features: 1Grinding Automatic Induction: Intelligent resistance induction no coffee beans in the machine compartment or automatic power off after grinding saving worry and effort. 2Stainless Steel Grinding Core: The stainless steel grinding core can quickly and evenly cut the beans with a clear and concrete flavor a high level of complexity and slippy grinding. 3Thickness Adjuster: Point type thickness adjuster fine and quantified adjustment of thickness which can meet the grinding wheelbase required by coffee utensils and the short copper core is high. 4Low Noise Pure Copper Motor: The low noise pure copper motor rotates evenly and has strong power the grinding particles are uniform and the beans are not stuck and the noise is low only the sound of grinding coffee beans. 5Easy to Clean: Easy to clean removable and washable (the motor cannot be washed) easy disassembly without effort and simple cleaning can make the machine look brand new. Specification: Item Type: Portable Rechargeable GrinderMaterial: Aluminum Alloy PC ABS 420 Stainless SteelGross Weight: 661g / 23.3ozBattery: Polymer lithium battery 800mah (included)Charging Time: about 90 minutesUse Time: 20-25 timesProduct Size: Approx.14 x 5.6 x 5.6cm / 5.5 x 2.2 x 2.2in(after storage)Motor Speed: 65 RPMGrinding Thickness Adjustment: clockwise: fine; counterclockwise: coarse Package List: 1 x Grinder1 x Brush1 x USB Cable1 x Instruction Manual Note: 1. Do not flush the host directly with water 2. If it does not apply for a long time please clean the bean bin