DEEP MUSCLE MASSAGE GUN- Used to relieve muscle stiffness and soreness, and promote blood circulation. It can increase blood pressure and improve the overall health of your bodies soft tissues, prevent inflammation caused by adhesion between the fascia and muscles. 5 MASSAGE HEADS- A deep tissue massage gun that offers 5 customized massager heads, provides a relaxing massage experience .Activate the muscles, stimulate blood flow, greatly reduce muscle recovery time, and relieve pain from head to toe. 20 SPEED ADJUSTMENT - With speeds 1100 -3000r / min ,it allows you to get the appropriate amount of pressure to put your body at most comfort at all times.