Leg Belly Massage: Calf Bump Roller Massage Calf Massage: Leg Air Cells Massage + Knee Heating Footrest Massage: Three Rows of Roller Massage Additional Leg Function Automatically Retractable To Knee, Completely Cover With Heating Footrest Strench Range : Automatically Strench Distance 130mm Calf Strench Range: Automatically Strench Distance 90mm Leg Angle Adjustment: Automatically Leg Lift Angle 10-70° (vertical ground) Zero Gravity Electric Adjustment Back Angle, maximum to 156.5° "0" Space: Slip Against Wall 8CM Movement Type: kneading, knocking, tapping, shiatsu, massage Automatic Human Detection Function accurately determine the position of the human body by sensor Music Player: High Quality Speaker & Bluetooth music Negative Ion Air: Negative Ion Air Generator Ambient Light: 14 Shortcut Control Keys (Left & Right Armrests) Conrtol: 7" LCD Screen Short Cut: Touch Short Cut Charge : USB Charge Surface Treament: Piano Baking Paint Charge : USB Charge Shoulder Air Cells : 4 Pcs Shoulder Air Cells Armrest Air Cells: 16 Pcs Armrest Air Cells Seat Position Air Cells: 4Pcs Seat Position Air Cells Leg Air Cells: 16 Pcs Leg Air Cells Foot Air Cells: 12 Pcs Leg Air Cells Auto Mode: 24 Auto modes,suiting all sorts of different crowd, it have "FAVORITES" function, you can easily choose the program Manual Mode: Quick manual mode, easily to set the OEM massage program which you want, and add to "FAVORITES", you can choose the same program in the "FAVORITES". Waist: 2 Pcs Hot Heating ( Rright & Right 1 pcs each) Leg: 4 Pcs Hot Heating ( Rright & Right 2 pcs each) Foot: 4 Pcs Hot Heating ( Rright & Right 2 pcs each)