Apply features of soudwave, frequency 1-16Hz, enable to reach to 8cm subcutaneously, to apply on periosteal and create heat, instant temperature reach to 43 oc, at the same time, inprove blood circulation. Classic Indications of the sho ck wave therapy machine. ED(Erectile Dysfuction) uses pulsed acoustic waves, to address the root cause of poor sexual performance for men - poor blood flow. By expanding existing blood vessels in the penis and creating new avenues for more blood to flow into the penis, Shockwave produces healthier, fuller and more sustained erections for men with and without erectile dysfunction. Input: AC 100V110V, 50/60Hz AC220V230V, 50/60Hz.1 x Shockwave Massage Machine Kit. This item is in the category "Health & Beauty\Massage\Massagers". The seller is "tianyanmiyu" and is located in this country: US. This item can be shipped worldwide.