Connect the power supply without battery The high speed jet (max speed 1000 - 6000 revolutions per minute), the twelve channels for the provision.Absorb skin, Beauty production, skin absorption can be up to 40 times, and the improvement of acne heals more than 50%.The skin becomes shiny and elastic, stands out from the laser or chemicals - Invitation, skin and absorption improvement.5 different speeds: Micro Needle Pen helps you whiten wrinkles, stretch marks, and remove skin spots. 5 levels of speed adjustment.Different micro-needle modes to stimulate the skin: strengthens the skin to absorb beauty production, the skin becomes shiny and elastic, distinguishes itself from lasers or chemicals, it is not invasive, can improve the skin and increase absorption.