Shoulder Massager: G.w.:3.1KG DESCRIPTION: Simple using,can relieve neck and back pain,five kinds of different intensities of massage programs.Futie hug the body,to comfort and massage right placeDefault rhythm massage programs,easy to carry Attention:Do not cover,or puts pressure,Do not directly in the head,elbow,knee,chest,use, To run a cycle of 15 minutes after a break of 10 minutes or more re-use.