This is an item I purchased on Makuake. I bought it around January 2025, but I purchased another product before it arrived, so it's unused. Product Description: 【Say Goodbye to Static Electricity】0.1-second instant static removal with a high-performance AI chip! Static prevention band 0.1-second instant static removal with a high-performance AI chip! You can spend the dry season comfortably. Equipped with strong magnets, the size can be adjusted from 13 to 22 cm, and can be worn by adults and children! No charging required, so it can be used 24/7! The unique three-dimensional structure covers a wide area from fingertips to the entire arm!