Ultrasonic Face Massager LED Light Facial Skin Care ToolsCharacteristic: Ultrasound 1. This instrument uses a dual probe with a size of 1 megabits and 3 megabytes. The size of the ultrasonic probe works with 1 million times per second and 300 high frequency oscillations per second to produce a penetrating ultrasound Acting on the human body to absorb the body, the sound energy is converted into heat, massage the skin cells under the action of heat, promote the blood circulation of the skin, accelerate