1.spine back massager 2.relax yourself,protect spine 3.good ... 5.hot selling in USA,Japan 1.spine back massager 2. Bao Tai Cheong brand spine smart robot, ... in 64-bit high-speed processing chip, neck, shoulders, waist, back full realization of three-dimensional massage, automatically ... mechanical massage program control, to the neck, back, waist-bit blood supply and improve the pelvic disease resistance ...