Tips: The indicator light above the button will remain lit while charging and will turn off when fully charged. About the switch button: Please turn it off when the grinders will not be in use for an extensive period of time to conserve battery, but there is no need to turn it off during non-working hours or daily use Fast Charging: Features a Type-C cable for quick and efficient charging, reaching full charge in under 2 hours. A full charge supports up to two months of regular use, eliminating the need for frequent battery replacements Large Capacity & Transparent Design: Our salt and pepper grinder set has increased capacity, reducing the need for frequent refills. The transparent container allows you to easily see the remaining seasoning and distinguish between different spices One-handed Operation & Adjustable Coarseness: Our gravity grinder requires no buttons, simply tilt it to grind. Rotate the top counterclockwise for fine and rotate clockwise for coarse. Simple and efficient, it is ideal for busy meal preparations What's included: Our electric salt and pepper grinder set is an essential kitchen tool for anyone who loves to cook! The set comes in a colorful box and includes two grinders, a Type-C charging cable, a cleaning brush, and instructions Tips: Please turn it off when the grinders will not be in use for an extensive period of time to conserve battery, but there is no need to turn it off during non-working hours or daily use