One Hand Operation The grinder is controlled by a single switch. When the indicator light is on, the unit is in standby. Press the button and tilt the electric salt shaker to start automatic grinding. After use, switch it off and the indicator turns off. The design helps prevent unnecessary power drain if the grinder is accidentally bumped. USB Rechargeable Builtin TypeC rechargeable battery with a charging base. Uses advanced charging technology for lower maintenance than batteryoperated mills. Includes a USB charging cable; no need to continually disposable batteries. Widely Used Suitable for grinding sea salt, pepper, black pepper, red pepper, white pepper, garlic pepper, or other spices. Not only for kitchen use but also ideal for outdoor picnics and BBQs. Salt and pepper are not included in the package. Adjustable Coarseness Easily adjust from fine to coarse by turning the knob on the . Clockwise for finer particles, counterclockwise for coarser particles. The adjustable coarseness system lets you choose the right grind for your dish. Use Scenarios In the kitchen while cooking: season meat, vegetables, and sauces with consistent grinding and adjustable coarseness. Outdoor dining: convenient onehand operation and portable power for picnics, camping, and barbecues. Gift idea: suitable for family members and friends who value convenient, reliable seasoning.