【USB Rechargeable】Upgraded electric pepper grinder with built-in rechargeable battery. Fast charging-full charge in one hour and can grind at least 100 grams of spice on a full charge. No need to spend extra money on batteries like other battery operated salt and pepper grinders. | 【Gravity Switch】Our Electric Pepper and Salt Grinder with Gravity sensor switch, you even needn't to press a button, Simply flipped the grinder and you will have fresh ground spices, Convenient and funny. Turn the automatic switch on before use. | 【Wide Applicability】The Rechargeable electric grinder is suitable for pepper, salt and other solid grain seasonings. USB Rechargeable, convenient and fast, you can use it anytime and anywhere. This grinder is the good helper for kitchens, restaurants, parties and outdoor picnics. | 【Unique Design】Transparent acrylic material(BPA-FREE) at the bottom allows you to see the remaining spices and convenient to distinguish the spices in the grinder. With the blue LED light, blue light is not only bright but also gentle, you can easily to see amount of pepper, salt and other grain you put in your food. | 【200% Quality & Money Back】100 days free replacement & money back if any dissatisfaction. If you find that the mill does not work after the product arrives , it is generally the case that the ceramic grinding core is stuck with granules. In this case, please turn the top button to adjust the coarseness to the coarsest state, so that the particles blocked inside the ceramic grinding core will fall out, and then it can be used normally.