The HoMedics Mobile Comfort™ Portable Back Pro With Heat features an ergonomic frame that supports your back while you travel. Rhythmic air compression gently massages your back to release tension while soothing heat provides added comfort and can be used independently or combined with the massage functions. Three speeds of low, medium or high as well as a 2 air massage programs for additional variety and customization allows for a personalized massage experience. A hand controller and car adapter are included for convenience and ease of use.