Features 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. * The capacity for adding water is 15ML. If you need to add essential oil or hair tonic, it is recommended to dilute it with water. Specifications Material: ABS 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 Net weight: 107g Product size: 19*5.3*4cm Package size: 21.5*9*4.5cm Packing List 1* massage comb 1* USB Charging Cable