Features: Upgraded: More silos, more choices, more convenience, and more convenient charging of a single body. One-Handed Ingredient Switch: Change between salt grinder, pepper mill, or coffee bean-hoppers in seconds. No tools needed - perfect for cooking while multitasking. Ceramic-precision grinder: Rust-proof ceramic grinder with corrosion protection for salt/chilli. Unit grind technology ensuring even grits - whether gourmets powder or rustic granules Adjustable Coarseness: Electric pepper mill with adjustable grinder, you can easily adjust the grinder knob to choose the coarseness of your spice, salt or peppercorn. Many grinding levels for your-choice allows you to grinder your spices from coarse to fine. Large Capacity: The ceramic burr grinding mechanism efficiently grinds whole or pre-ground salt, pepper, or other spices from the large capacity reservoirs inside. Notice: 1.Actual color may be slightly different from the image due to different light effect 2.Please allow 1-3cm deviation due to manual measurement Input voltage: 5V input current: 1A rated Power: 5.5W battery Voltage: 3.7V charging time: 3 hours (full of blue lights)main material: ABS + PC + + ceramic Package List: 1x Rechargeable Electric Salt Pepper Grinder Set or 1x Spice-Hopper