Sound Vibration, Multiple Functions  With regular use, this facial slimming device can visibly improve the condition of the skin. It strengthens the skin, making it soft, elastic, and youthful. It improves damaged skin, effectively removes wrinkles, enhances skin elasticity, tightens the skin, hydrates the skin, combines vibrations to delay skin aging, tightens contours, and enhances the three-dimensional sense. Furthermore, it can reduce puffiness, dark circles, and fine lines, cleanse and protect the skin, improve the skin's absorption and repair ability, balance skin oil, and brighten blemishes.  Dual Purpose for Neck and Face  Color light skin care, color light wrinkle treatment for the neck, red/blue/purple light lines, EMS vibration massage, 45° constant temperature introduction, color light rejuvenation, sound vibration, deep cleansing, nourishing introduction, positive and negative ions, four modes, three intensity settings, constant temperature hot compress.  Three Light Modes  Blue Light Mode: Anti-acne cleansing, tightening pores; Red Light Mode: Accelerates blood circulation, rejuvenates the skin, brightens pigmentation; Purple Light Mode: Improves cell oxidation, soothes the skin, balances, and tightens.  Perfect Material  This facial slimming band is made of ABS material, breathable and soft, ultra-thin, antibacterial, comfortable, and safe. Suitable for all skin types and does not cause allergic reactions.  Suitable for Any Time and Place  This face/neck device can be used anytime, anywhere, regardless of time or place. Whether you're sleeping, watching TV, doing housework, or resting, you can wear this V-shaped facial slimming device to keep your chin inclined. Avoid double chins and improve facial contours.