6 built-in airbags that inflate and deflate to help promote blood circulation. 3 massage modes and 3 intensities.

2 heating options to provide soothing heat to legs and feet: Heating therapy for your comfort. The heat can be turned on/off anytime you want. Helps with swelling, circulation and relaxation.

Adjustable size. The maximum calf size: 28.5 inches. There is a button on the foot, which can be opened for a larger size.

20-minute automatic shutdown function to avoid excessive massage.