You may also like. 4/6-1 Vacuum Ultrasonic Cavitation RF Radio Frequency Body Slimming Machine 40K. 4 In 1 Vacuum Ultrasonic Cavitation Radio Frequency Body Slimming Machine. RF output frequency: 5M. Working frequency of ultrasonic burst fat: 40KHz. Ultrasonic fat explosion output gear: 10 gears. LCD screen size: 4.3 inches. Clean the skin first, and then […]