1Can reduce muscle stiffness, improves blood circulation, improves soft tissue health and improves range of motion. 2Relieve fatigue and soreness, and make your workout more effective. 3Through vibration can stimulate and relax the fascia and muscles, accelerate blood circulation and reduce muscle recovery time. 4Different massage heads and 30 gears are available, depending on your muscle group or your own preferences. 512 hours charging time can provide you 34 hours using time, convenient and practical.