How does Thermochromic Stone Works? This stone is thought to enhance your metabolism. It may also help you make better-for-you food choices and stave cravings. It even detects body temperature and releases waves that signal the body to relax muscles, regulate sleep patterns, improve blood circulation, and balance sleep and energy. What makes this Ovaski Lympha-Circurl Thermochromic Therapeutic Ring is your GREAT CHOICE? Specifications Product Inclusion: