RENPHO R4 Cordless Massage Gun with Adjustable Arm, Back Massager for Athletes, Portable Deep Tissue Percussion Muscle Tool with Carry Case, Gifts for Men and Women. Like new, only used a couple times. Original case & manual. Lightweight and Rechargable Battery: Weighing only 2.2lbs, this deep tissue massage gun is massaging deeply and easy to use. 6 Massage Heads and 4 Speeds: Comes with 6 massage heads and 4 speed levels to target specific muscle groups and apply the right amount of pressure to your muscle