It support 4 handles working at the same time, you could use it to do treatment on more body areas Welcome to order what you need , If you have any questionas,please feel free to contact us.Thanks EU countries need to provide a VAT or IOSS number.Thanks Warranty : 2 years,Life-time technical after-sell service,Home Spa salon use professional machine If you could not use a credit card to pay, you may need to call your bank to get the approval.syi