Usage Tips:USB CHARGING DESIGN: The rechargeable salt and pepper grinder set is eco-friendly, offering long-lasting use with USB charging, eliminating battery replacements. GRAVITY-ACTIVATED DISPENSING: The salt and pepper grinder set features gravity-activated dispensing, automatically releasing spices when tilted for cooking enthusiasts, the elderly, and those with arthritis. ADJUSTABLE COARSENESS: With adjustable grind settings, this grinder allows you to customize the coarseness to suit various ingredients and personal tastes, ensuring the freshest flavor from freshly ground spices. LARGE, TRANSPARENT HOPPER: The automatic salt and pepper grinder set comes with a large, transparent 150ml hopper for easy monitoring of spice levels. Its independent design ensures simplicity in cleaning, contributing to a tidy kitchen environment CERAMIC CORE FOR SHARPNESS: The gravity salt and pepper grinder set is made with a High-quality materials core, which maintains its sharpness for a long time. It ensures consistent and fine grinding, enhancing the texture and taste of your dishes. Colour:Black Material:ABS Package Contents: 2 x Electric grinders 2 x USB cable 1 x Clean 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.