Quick Details:Type: Derma Rolling SystemCertification: CEFeature:Anti-Puffiness, Cellulite Reduction, Skin Rejuvenation, Dark Circles, Wrinkle Remover, Pigment RemovalName: micro needle penMaterial: High quality Mental alloy shellColor:SilverMotor:Germa MotorPower supply/output: input:AC100~240V 50/60Hz, 5V,1ASpeed:10000rmpDisposable Cartridge: ,9pins,21pins,36pins,64 with chipNeedle depth: adjustable:0 to 2.5mmFuntion: For derma mesotherapy & CIT A brief description：Nano meter micro needle medical beauty pen, effective safe home use beauty mini deviceFeatures: Both work in cordless and with cord.Automatic and Rechargeable Micro needle System is the new breakthrough in Micro needling therapy field.The biggest advantages for Automatc and Rechargeable Needle Pen is :It can work cordless with battery, also It can work with power cord when battery is power off. Function:For Rejuvenation and Anti-aging!For Speckle Reducing and Wrinkles Treating!For Skin Whitening and Refreshing Your Skin! Characteristics ：1.Excellent electrical quality;2.Super capacity of lithium Germany battery;3.Excellent design and work4.One hour charging, can work continuously 2 hours;5. When work with cord, constant speed:10000rmp5.Immediate charge, immediately available;