Hyperice HypersphereCompared to other SMR (self myofascial release) massage balls, the Hypersphere helps to pinpoint and release trigger points faster, deeper and less painfully using high intensity vibration. The Hypersphere is portable and only 5" in diameter, which helps to release tension in targeted areas better than any roller. Key Features Three high intensity vibration settings Can be used to activate, soothe, or loosen muscles fascia in the: feet, calves,