-Intelligent shoulder detection core 4-wheel core, shoulder and neck massage
-Super long "SL" rail( 135cm); massage from neck to thigh
-Backrest for 24V carbon fiber heating function
-zero space and zero gravity
-The backrest frame uses a sliding rail to lie down
-Extension 15cm; massage all parts of calf
-air pressure on both sides, middle massage on calves
-Foot bottom massage, suitable for feet within 46 yards, feet equipped with 3 sets of roller massage