Upgrade 3 in 1 laser hair comb is a scalp and hair care instrument. Working together with Laser,Microcurrent,Red LED light.make the biological energy became balance, improve the metabolism. Laser treatment, to go straight to the root hair follicles: by laser physical therapy, to increase scalp cell activity, deep into the pores, stimulate the hair follicles activity, promote blood circulation, make the hair growed well. Microcurrent, stronger vitality to the hair:microcurrent stimulates scalp via ions, unchoke the clogged pores, activate the hair follicle, so to supply nutrition to hair and strengthen hair root. Portable, lightweight, safe and healthy Handheld cordless comb,Suitable for men and women with thinning hair, can let them fast,simple,easy hair growth,gives confidence to women and men alike by restoring their hair to its natural, fuller glory. Satisfaction Guarantee: Your satisfaction is my greatest happiness. If you have any questions, please feel free to contact me. I will give you a satisfactory answer, come and buy, more function waiting for you! ! Product name:RF and Laser Hair Regrowth Comb Material:Plastic Size:185 x 45 x 55MM weight150g Therapy:RFandEMSandLASERandVIBRATION andPHOTON Photon wavelength:650nm, 8pcs leds3pcs lasers14 human bodies acupoint massage head Gear position: 3 Gear position Charging style:USB cable for charging Power:AC-100-240V, 50-60HZ 3W Power of laser:1mW-5mW Includes: Hair regrowth Comb, USB data cable, English manual Product name:RF and Laser Hair Regrowth Comb Material:Plastic Size:185 x 45 x 55MM weight150g Therapy:RFandEMSandLASERandVIBRATION andPHOTON Photon wavelength:650nm, 8pcs leds3pcs lasers14 human bodies acupoint massage head Gear position: 3 Gear position Charging style:USB cable for charging Power:AC-100-240V, 50-60HZ 3W Power of laser:1mW-5mW Includes: Hair regrowth Comb, USB data cable, English manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.