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 steel colour: Black+silver Package Contents: 2 x Grinder 2 x dust cover 1 x charging base 1 x charging cable 1 x cleaning brush Only 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.