Working Principle : ION+,ION-,LED,EMS,Warm,Ultrasound Wave,Vibration MassageCommodity Quality Certification : ceFunction : Skin Rejuvenation,Skin Tightening,Anti Wrinkle,LiftingPower Source : USB Cable,Rechargeable BatteryPower Source : US,EU,UK,AU,Japanese,KoreanStandard Voltage : 110V,220V,240V,100V,110V-220VPlace of Origin : ChinaSize : Approx 3.6'X4.7'X2'Type : Neck Face Beauty DeviceModel Number : Neck Face Beauty DeviceManufacturing Process : Hand MadeMaterial : Plastic Name : WindailyOrigin : Mainland ChinaCertification : FCC,CENumber of Pieces : One Unit