The LED treatment cap is a hair loss treatment and hair growth device that mainly stimulates the weakened hair follicles in a painless manner, enhancing the growth vitality of the hair follicles, which in turn promotes healthy hair growth. The device includes infrared 850nm and red 660nmLED treatment caps specifically designed to treat hair thinning and baldness, helping to reverse and prevent hair loss and stimulate hair regrowth. Features: 3 gear adjustment, can be respectively 10HZ and 40HZ pulse operation. Convenient for personal control. Specifications: Applicable object: hair loss, thinning hair function: hair growth, hair care material: diving material Color: black Product size: 21.5 * 18cm Temperature range: 43-45C Number of beads: 120 (60x 660nm red + 60x 850nm infrared) Treatment frequency: Use for 20 minutes every other day. Power supply: DC 5V-2A Weight: Hair growth cap 0.15kg; Power Supply 0.1kg Your box will include the following: 1x LED Treatment Cap 1x USB Power cord (2m) 1x User manual