The Percussion Massage Gun helps relieve fatigue, pain, muscle soreness and stiffness. Ideal for relieving shoulder, neck, waist, and back pain.4 ADJUSTABLE SPEED LEVELS: The Massage Gun Deep Tissue offers 4 different speed levels meet different muscle group, awake your whole body muscles, provide great deep tissue massage.LONG BATTERY LIFE: The Deep Tissue Massage Gun Equipped with 2500mAh high-quality rechargeable lithium battery, can be continuously run for up to 4 hours.LOW NOISE: The Muscle Massage Gun is equipped with the updated noise reduction technology brushless motor, which makes the noise less than 45dB when used, creating a comfortable environment.10 MASSAGE HEADS & STORAGE CASE: The Massage Gun for athletes includes 10 heads allow you to reach every muscle, promoting circulation and and decompose lactic acid. Plus, the set Equipped with a portable suitcase, you can relax your muscles anytime, anywhere.