Gojoy Massage Chair -- 1. Overall massage program 2. airbags massage on foot, calf and seat 3. MP3 player and music synch This Massage Chair has ... the following functions: 1. S-curved back frame imitates and four-roller massage structure design2 ... kneading, rolling, tapping, knocking and other over ten mixed massage patterns on head, neck, back, waist and hips ...