BORYOR Gold muscle shaping knife

1. Lifts the neck and eye area, reduces fine lines, and revitalizes the skin. 2. Releases negative ions into the dermis, revitalizing the skin's radiance. 3. Improves skin's moisture retention, reduces edema and dullness. 4. Stimulates collagen regeneration, combating skin aging. 5. Materials: Stainless steel, aluminum alloy, and brass. 6. Dimensions: 165 x 15 mm. 7. Weight: Approximately 90 grams. 8. Battery: 1 AAA battery.