USB Rechargeable: Upgraded electric pepper grinder charges using a charging dock, eliminating the need to spend extra money on batteries like other battery-operated salt and pepper mills. Capacity: Increase the capacity of the grinder so that it can to 75g of sea salt at a time. The capacity eliminates the need to refill your pepper grinder as often.High Quality material: Automatic grinder is made of stainless steel and ABS material with unique design of ceramic with high hardness and high wear resistance.Automatic Operation: salt and pepper grinder set features an advanced gravity-sensitive design for easy one-handed operation, just flip the grinder and you'll have ground spices.Adjustable Grinding Coarseness: This electric pepper has an adjustable ceramic grinder that turns the top of the unit to grind the spices you from coarse to fine.Material: Plastic+stainless steelcolour: Black+silverPackage Contents:2 x Grinder2 x dust cover1 x charging base1 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.