SaengQ Rechargeable Electric Salt and Pepper Grinder Material——High quality glass and stainless steel material Features——USB charging, built-in 1200mah lithium battery, ultra-long standby time It is recommended to charge the battery every two to three months to maintain its health With light design, easy to observe directly when using Adjustable coarse and fine, can grind any powder you want Easy to grip, durable With stand for easy storage and free gifts to meet your daily use requirements Definitely a good helper for your kitchen Automatic operation with light and gravity sensing Our gravity-driven salt and pepper grinder is easy to use, just push the top button and flip the salt grinder over and you have freshly ground salt or pepper or other spices. Completely free your hands, I am sure you will absolutely love this set after using it. Small and portable, multi-functional, the perfect match for any home kitchen !