Model: MY-8767; Tips:The product does not cure the disease. It just helps. When you are sick, you must go to the hospital to receive regular treatment.; Voltage (V):5; Target Body Part:Shoulder,Waist & Back; Type:Back Massager; Material:Nylon,ABS; Function:Correction; Compatibility:Daily; Features:Portable,Ergonomic Design; Listing Date:08/17/2023; Instructions:English; Smart Posture Corrector Invisible Correction Belt Reminder Adult Child Sitting Posture Hunchback Back Sensor Orthosis Strap USB