Innovation - Robot Mechanism (2D), S-Track BackrestFull Body Automatic Massage Program and Overall Control - Relax, Therapy, Swedish, AirDual Action - Kneading could combine with tapping,clapping and ShiatsuRobot Mechanism Massage Location Customized - Partial Massage (To select any position of backrest as center and perform massage at the range of 3.1� ), Spot Massage, Up and Down Position adjustment for Partial and Spot MassageAdjustable Massage Strength /Speed/Width - 3 levels adjustable Strength/3 levels adjustable WidthAir Squeeze Massage Location - Seat, Calves, FeetController - LCD DisplayPlus Function - Vibration at seatrestDesign for easy Installation, moving and maintenance - Built in castors for easy moving