1.Multifunctional massage comb, vibration massage + red and blue light therapy + nano atomization, three effects in one, multi-faceted care for your hair health. 2.Vibration massage function: three gears can adjust the intensity, improve the metabolism of hair follicles, promote blood circulation in the brain, help hair growth, and prevent hair loss. 3.Nano atomization: used with hair growth liquid, it can promote hair roots to absorb nutrients better, promote hair growth, and make your hair thicker. 4.Red and blue light therapy: care for the health of the scalp, strengthen hair roots, and improve hair problems, such as thinning hair, oily hair, hair loss, and broken hair. 5.This massage comb can effectively relieve head fatigue, relax the mind, relieve stress, and has a certain effect on relieving nervous headaches.<br><br>Charging method: USB Vibration gear: 3 gears Light therapy mode: red light/blue light Other modes: Nano ion atomization mode (can pour 15ml liquid) Frequency of use: 2-4 times a day Power cord length: 50cm Colour:black Material:plastic<br><br>Package Contents: 1 x massage comb 1 x USB Charging Cable 1 x English User Manual<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.