ORA's Microneedle Derma Pen System features extremely fine needles that gently penetrate the skin and stimulate collagen and elastin production, resulting in smoother, firmer, healthier and younger-looking skin. Featuring 5 speeds and an adjustable needle head that allows you to switch to different needles depths (from 0.25mm to 2.0mm), the electric roller uses a vibration mechanism that produces faster and more precise needle strokes, easier and deeper needle penetration compared to manual, non-electric rollers. Key Benefits: Helps stimulate collagen and elastin production, which helps to result in smoother, firmer, healthier and younger-looking skin Helps reduce the appearance fine lines, wrinkles, stretch marks, scars and other blemishes on the face and body Helps increase absorption and penetration of skin care products within the skin Features 5 speeds, rechargeable via USB and can be switched to different needle lengths Designed with a newly improved ergonomic, luxurious and durable aluminum lightweight design for greater handle of the device