Galvanic ion Positive ion and Negative ion 
<br />Vibration frequency 19500rp/s 
<br />Battery 1 x CR2032 （Batteries not included） 
<br />Massage head size 35mm 
<br />Body Material ABS plastic 
<br />Massage head material Stainless steel SUS304 
<br />Product Size 14.8*3.9*1.3cm 
<br />Product Net Weight 69.3g 
<br />Rechargeable or not Not rechargeable type 
<br />Accessories User manual brochure (not including the battery & packing box)
<br />Positive Ionic：
<br />Red light release positive ions
<br />Positive Ionic lead out function: removes metal ion
<br />in cosmetic from skin and dirty which hidden in deep
<br />skin, clear the harmful substances penetrate into skin
<br />through horniness deposit as positive ion in skin and
<br />cause spots rough and aging skin
<br />Negative Ionic:
<br />Green light release negative ions
<br />Negative Ionic lead in Function：powerfully 
<br />replenishes nutrients into skin which may accumulate
<br />surrounding the skin cells as ion cluster and 
<br />promotes cells to constantly absorb nutrition