Detailed Product Description there are 220V & 110V of the heater bag,we will ship to you according to your country Usage:after plug in 25-60 minutes then you have to cut off the power Beneficial of this Basalt Stone if you open a Salon club,it is good for you buy one set do massage. there are severial benefits for your customers and massagist Benefits for customer: 1,Nourishing skin 2.Calm the nerves 3.Relaxation 4.Heating stones help relxa muscle 5.Dredge meridians and acupoints
