... computer interface(touch screen)Voltage: 220V/50HZ/60HZ,1PSuitable material: terylene ear bandProducts dimension: standard form:175*95mm ... the mistakes automatic tension control to reduce waste, Adjustable ultrasonic welding, Stack count function, collecting, testing fastDesign:This ... vibration, and an instant transformed into heat, Welding material to be processed, and finally pushes ear implanted ...