Engineered with three speeds vibration that delivers up to 3200 percussions per minute. The vibrations help keep the muscles loose and relaxed while improving circulation and range of motion. This massage device can be used just about anywhere without generating a lot of noise. Includes four head attachments, is lightweight (weighs 2.5lbs) and is easy to you. Used as an effective myofascial release tool, it can accelerate warm-ups and recoveries, reduce pain, and restore motion so you can perform your best.