Heat Feature The Cordless Neck Massager HSA Eligible FSA boasts an upgraded deep tissue kneading feature with heat, specially designed to alleviate muscle tension and stress. The heat feature enhances the massage experience by providing soothing warmth, which aids in improving blood circulation and relieving muscle stiffness. The temperature can be easily adjusted, ensuring that the user enjoys a relaxing massage at the perfect warmth. This electric Shiatsu massager pillow's heat feature makes it an ideal choice for individuals who prefer a warm massage for their neck and shoulder, making it a thoughtful Christmas gift for both men and women.