... ,abdomen,arm,leg,back,buttocks.3).Use 40Khz Ultrasonic cavitation system, thought the fat layer by strong waves, speed vibration deep stubborn ... always take much inner hot.11.Who has the genetic hypersensitivity.NNot use the cavitation Head on our head(above neck) ,not use ... it on Glottis and sexual organs2.Be sure to use the special ...