... Feature: 1. Adopt USA new six-wheel back massage technology, 5 automatic massage programs, one-key function.2. With kneading, tapping ... display, 165 degree angle reclining, easy operation, comfortable and natural.6.There are double-stack elongated air bags, seat perineum ... .7. The heating function on buttock to strengthen the massage validity8. with special vibration function on buttock Quantity of ...