Enjoy the therapeutic benefits of acupressure with the iReliev Leg & Foot Air Compression System. This portable device uses air compression to massage tired, achy muscles in your calves and feet. It features 2 Massage Modes, 3 Intensity Levels, and 2 Heat Levels for a personalized experience every time. Enjoy the hassle-free therapy you deserve from the comforts of your home, office, or gym – any time you need it. Gentle air pressure hugs your calves and feet to provide safe, therapeutic relief. Compression therapy can be used to prevent, manage and treat a variety of conditions, including the following: Prevent blood clots Reduce or manage lymphedema (swelling) in legs, feet, and ankles Reduce leg pain Manage hypotension Promote healing of leg and foot ulcers