Relax and Relief for Tired Aching Feet. The Ultimated KingKong foot & Calf Air Massager. Latest KINGKONG Air Massage Technology. Luxury Wood Trim Design. 6 Massaging Air Bags. Massage Both Feet & Calves at the Same Time. Vibration Mode Provides Soothing Massage / Relief. Alleviate Common Ache and Feel Rejuvenated. Operation Rated 15 Minutes per Cycle.