Age Range: 7-9 months.Age Range: 10-12 months.Age Range: 13-18 months.Age Range: 19-24 months.Age Range: 2 years Up.Imported ceramic blade,unique bevel design, no hurt to baby's skin.Quality motor, low vibration and ultra quiet (mute) design, working noise only about 50 db.The whole body of the hair clipper is IPX-7 level waterproof, Detachable and washable ceramic blade, easy to clean.USB Interface ,needn't worry about the plug are difference.Four attachment guide combs: thinning-out, 3-6mm, 9-12mm, 0-12mm, to easily control the length of the hairs.Easy to use, without worrying about that you are a green hand and could screw it up. The ingenious design of guide comb ensure a new mother can do it well.Adjustable taper lever makes it easy to fade and blend