Delivering up to 61 pounds of force, the Renpho Pro Massage Gun precisely targets your muscles and provides a 90% stronger massage force than other brands. The 5 Massage Speeds achieve up to 3200 RPM, to help reach even the deepest muscular tissue and achieve the quickest recovery; while using as muscle relaxation after exercise. Because of the Strongest percussion of this massage gun, more suitable for professional athletes or people who exercise frequently.