1. The intellective manipulators, driven by six wheels mechanism, travels up & down at back, effect massage at neck, shoulder, back and waist, with models of kneading, shiatsu, knocking or synchronous kneading and knocking etc.                
2. Airbags at cushion, calf rest and foot rest which offer the air massage.                
3. Adjustable angle of back and calf rests.                
4. Equipped with swivel wheels, it can be flexibly removed.                
5. Tt has auto timing functions for 5, 15 and 25 minutes.                
6. The massage strength is regulable during massage process, according to your needs.