Note: The physical and chemical properties of silver are not very stable, so it is normal for it to change color for a long time. So pay more attention to daily use and maintenance._x000D_1. Do not mix with other metal products._x000D_2. Try not to let the product come into contact with acid?alkaline chemicals such as cosmetics, sulfur soap, etc._x000D_3. Don't put it in high temperature or humid place. In addition, it is best to wash with clean water every time it is used up, because human sweat contains weak acid, long?term lying on the surface of the socks will be easier to change color, affecting the use, especially for sub?healthy people, the strong acidity seriously affects the life of the socks._x000D_4. Keep away from items or liquids containing sulfur, chlorine, acid and alkali, especially acid._x000D_5. Keep away from light before and after use to prevent product oxidation. specification: _x000D_Item Type: Electrode Socks_x000D_Material: Silver Fiber_x000D_Color: Light Gray_x000D_Type: PU Leather on Single Side_x000D_Efficacy: Physical therapy, healths care, conductivity, pulse_x000D_Scope of Application: It can be used in combination with the beauty instrument during use. Suitable for professional and individual use._x000D_Function: If used regularly, it can promote blood circulation and reduce foot pain and numbness._x000D_Applicable People: Arthritis, Raynaud's syndrome, repetitive strain, carpal tunnel syndrome. Features: 1This pair of conductive socks will provide a soothing and relaxing electronic massage for the feet. 2Made of conductive fabric composed of nylon, cotton and high?quality conductive fibers, soft and skin?friendly. 3Conductive socks utilize stretchable fabric to achieve excellent conductivity, assure good therapy effect. 4Innovative advanced conductive fabric is woven to achieve uniform current distribution and maximize comfort and efficiency. 5If used regularly, it can promote blood circulation and reduce foot pain and numbness. PackageList: 2 x Socks