Product Description      Vipergun Pro exceeds expectations spec by spec making it superior to any other massage gun. It offers a 12 mm barrel length and able to withstand a stall force of up to 60 pounds. Top speed on the gun is 3,800 RPM, and even at top speed works silently thanks to its smooth brushless motor. A digital and touch operated screen makes it easy to select the speed you want within seconds and a 6 cell battery pack with a battery life of up to 6 hours per charge allowing you enjoy it longer without having to charge it as frequent. It is equiped with an anti slip grip to prevent the hands from sliding if you're using it with sweaty palms.