Addsfit Massage Gun Deep Tissue, Quiet Professional Muscle Percussion Massager, 9 Speed, 5 Heads, for Fitness Recovery, Muscle Relief, Trigger Point Massage, Athletes to Enhance PerformanceFit both Athletic and Sensitive Body addsfit MAX massage gun features 1700~3300 percussions per minute, adjustable 9 speeds, 12mm stroke depth, 35 pounds stroke force, 5 head attachments with different hardness. It allows you to adjust speed and use dedicated heads to get optimal massage according to sizes and athletic ability. Relieve and Protect Muscle Groups Rather than EVA ball and other plastic attachments, addsfit apply 5 silicone head