This Device can onlybe used on the body. Do not use on the face,chese or chin. The small size is not only suitable for beauty salons but also for personal homes. Fat b-urning Skin T-ightening Vibration-Shape Improve LED-R-ejuvenation. Suitable for the following parts: arms, abdomen, thighs, back, waist and buttocks,the small size is not only suitable for beauty salons but also for personal homes. SATISFACTION GUARANTEE: We offer a 100% satisfaction guarantee. If you are unsatisfied with your purchase, let us know and we will give you a FULL refund.