1.LED and Ultrasonic, 2.Bioelectric 3.facial skin and body, total 4 heads 4. CE, OEM 5. ... Multifunctional beauty machine medical laser ultrasound rf facial and body beauty machine The working principle of BIO: Use ... the toxins from body, which make more nutritious delivery to tissues for rejuvenation, tightening, whitening, and wrinkle removing etc. The working ...