The Power Pro Massage Gun has 4 interchangeable massaging heads (standard round for massaging arms, waist, back, buttocks, thighs, and other large muscle groups; conical shaped head for targeting trigger points and specific areas including feet; flat head for relaxation and shaping of various muscle parts; U shaped head for areas around the Achilles tendon, trap muscles, and calf muscles). It has a durable stable motor (max 3900 rpm) with 6 intensity levels. Ergonomic grip for secure control, cordless and lightweight.