Fangrui Product Details Sleeping V-face Beauty Device: Our Sleeping V-face Beauty Device Helps Stimulate The Muscles And Tissues Beneath The Skin's Surface. This Can Help To Improve Facial Contours, Reduce The Excess Neck Fat, So As To Re-contour And Restore The Sagging Deep Layers And Fat To Make Them More Harmonious With The Rest Of Your Face.improve Facial Asymmety: The Electrical Impulses Sending By Our Device Can Improve Muscle Tone And Strength In The Face, Which Can Contribute To Reducing The Appearance Of Facial Asymmetry. By Stimulating The Muscles On The Weaker Side Of The Face, Can Help To Promote Muscle Growth And Improve Facial Symmetry.high Efficiency: Make Skin Glow, Effectively Improve Facial Fine Lines And Double Chin.chin Camber: Chin Camber For More Effective Tightening And Lifting. Adhere To Use, Easily Make The Face Line More Firm.easy To Carry: Small And Light, Suitable For Office, Home, Travel And Other Occasions, Reading, Sleeping, Watching Tv Or Doing Housework Every Day.