Features1Multifunction: Scalp applicator comb with red LED light irradiation, microcurrent, pulse functions, can conserve hair follicles and accelerate circulation. 2Easy Absorption: Scalp applicator comb with red lighting and electrical pulse to make hair growth oil applied evenly through the drainage ball, promote the absorption of nutrients. 3Daily Use: Scalp massage hair growth comb can be used for daily hair care to prevent loss, which can promote scalp circulation, and activate hair follicle vitality. 4Promote Absorption: Electric scalp oil applicator use ultra pulsed current opens the scalp hair follicle, improves the scalp penetration of the care solution, and promotes the absorption of scalp. 5Relieve Headache: Scalp massage comb generates electrical pulses to the scalp, causing repeated contraction and relaxation of the scalp, which can reduce fatigue and alleviate headaches.SpecificationItem Type: Scalp Applicator Massage Comb Material: ABS, PCBattery Type: Lithium Battery(Included)Battery Capacity: 1000mAhLight Chips: 14pcsMIP Gear: 4Microcurrent Gear: 4Package List1 xScalp Applicator Massage Comb 1 x USB Charging Cord 1 x English Manual 1 x Dropper