Hign-concerned Chemical:NoneItem Type:Hair Loss ProductBrand Name:K-SKINOrigin:Mainland ChinaCertification:CEProduct Parameter Product Name:Hair Growth Comb Product Model:ATG-909 Material:ABS,PC Working voltage:3.7V Charging voltage: 5V Charging method: TYPE-C interface Charging time: about 3-4 hours Battery capacity: 1000mAh Surface treatment: oil spraying, platingNet weight: 240g Gross weight: about 580g Product size: 198.5*63*61MM Color box size: 223*172*70mm Packing list Hair comb, base, charging cable, comb teeth*3, box, manual, blister This product is a multifunctional beauty instrument for head and face position, which can help stimulate collagen regeneration, lift and firm, promote scalp metabolism, and help hair regrowth absorption, posing base, magnetic charging, full of sense of technology. Functional features 1, a machine dual-use, to meet the head and face beauty care needs 2, high-frequency vibration massage function, while increasing the absorption of nutrient solution3, 635/650nm light energy, promote blood circulation, help hair follicle growth 4.RF radio frequency to help collagen regeneration, and heat function 5.EMS micro-current, unclogging clogged pores, enhance cell activity