Only use tap water for foot bath spa. With LCD display, easy to check and control, MP3 music player for you relax to enjoy foot spa. 10 stainless steel coils of the array and double row coils instead of single, can be used for 50-60 sessions. The item "Ionic Detox Machine with MP3 Player Health Care Foot Bath Spa Tool Dual-user" is in sale since Sunday, June 23, 2019.This item is in the category "Health & Beauty\Natural & Alternative Remedies\Ion Foot Baths". The seller is "esthehern_0" and is located in Phoenix, AZ. This item can be shipped to United States.