There is an ergonomic massage feeler on the back (like human hand) which works in various modes: kneading,slapping,kneading and slapping, finger pressing,knocking and move work upward &downward in any parts from waist to head. Cushion of side pressure and wrapping massage of airbags. Calf massage by multi-layers airbags with circulate pressure. Footrest with the function of air pressure. Backrest and footrest can adjust. Back can be adjust from 95 degree to 160 degree. Leg can be adjust from 90 degree to 178 degree .Touch screen remote control Kneading width:4cm-21cm Tapping speed:160/s-560/s Compression speed:20rpm-45rpm.Noise68%.Rhythm synchronous mode.Material: real leather cover / PU.Color: black / brown / beige / red. Warranty - 3 years.