The MB Thermavibe is a vibrating massage ball with an added heat element. The easy on/off switch allows makes for versatile warm-up and recovery and the spherical shape enables multi-directional rolling. DESIGN & DETAILS: Three vibration settings allow for adjustable intensity Easy switch on/off heat control Spherical shape enables multi-directional rolling High-density silicone protects the vibrating and heated core 4-inch sphere that is both impactful yet portable