Shiatsulogic Full Function Vibration Massage Chair: Tapping, Kneading, Rolling, Pressing, Knocking combination  
  
 Automatic seat adjustment (forward and backwards) and backrest recline (110 to 135 degree)  
  
 Extra large armrest with acetone proof coating, 2 USB ports, push and pop bag holder, build-in remote button on the tub  
  
 Chemical-resistant fiberglass tub, pipeless whirlpool system and pull-out sprayer  
  
 The Lotus II Spa Tub - 4 gallon capacity - UL Listed