... ,Safe and effective device. 4,CE,RoHs,FCC 3 in 1 Multifunction Portable Ultrasound and LED Skin Rejuvenation Equipment. Brief description ... :With 3M Hz ultrasonic,galvanic and photon therapy ,the machine CM-7 ... double chin with sculpting effect. What's more,the photon therapy can remove acne and diminish inflammation.You may enjoy ...