Hign-concerned Chemical:NoneElectronic:YESUsage Mode:ElectricApplication:headModel Number:Liquid Oil ApplicatorItem Type:Massage & RelaxationMaterial:ABS & TPRSize:SmallBrand Name:PSWWSPOrigin:Mainland ChinaCertification:CE,FCC,RoHSHair Care:Scalp BrushScalp Massage Comb:Head MassagerHead Massage Comb:Red Light Therapy CombHair Regrowth Device:Light Therapy CombOil Applicator:Reduce DandruffProduct Parameters: Prdocut Name: 7 Color Scalp massage comb Material: ABS+PC+TPU+Copper Color : White Input voltage: 5V 1A Working voltage: 3.7V 0.2A Rated Power: 5W Battery capacity: 500mAh Battery type: lithium battery Charging interface: Type-C Timing function: 10 minutes Charging time: about 3 hours Machine size: 8.5*6.2*4.5cm Package Included: 1*Scalp massage comb 1*Type-c charging cable 1*English manual 1*Retail Box