Dual wavelength technology: red light (660nm) and near-infrared (850nm).Stimulates collagen production for firmer, more youthful skin.Reduces fine lines, wrinkles, and improves skin elasticity.Helps diminish scars, stretch marks, and uneven skin tone.Promotes cellular regeneration and healing.Relieves muscle tension and joint discomfort.Rechargeable battery for cordless convenience.Safe, non-invasive, and suitable  for all skin types.