Electric back warmers are designed to alleviate discomfort in the lower back area, which is a common concern for many individuals due to prolonged sitting, poor posture, or physical labor. The gentle warmth provided by these devices helps to increase blood circulation, relax tense muscles, and reduce stiffness, making them an effective tool for both prevention and relief. As many people work from home or spend long hours at desks, the need for such a product has surged in recent years.