DescriptionThis item is a pair of self-heating pad designed for your wrist, which is made up of permanent magnets, a new generation of nanodots and a special heat sensitive materials.It can effectively improve blood circulation, promote metabolism and clear the meridians, immunity.Features- Color: Black. - Material: Fabric. - Size: About 27x 7 cm. - The wrist pad is made of permanent magnets, nanodots and heat sensitive materials. - Forms a resonant magnetic field resonates with the human body. - Can effectively improve blood circulation, promote metabolism, and clear the meridians, immunity. - With elastic belt, safe and comfortable to wear. - Note: If the body part appears redness, fever, hyperthermia, it is a normal phenomenon.