Hyperice Vyper Vibrating Foam Roller
"Used by the world's most elite athletes, The VYPER is a cutting-edge fitness and recovery device/roller that uses pressure and vibration to improve the body's overall performance."
"The VYPER uses 3 different speed settings powered by rechargeable lithium ion batteries, which give over 2 hours of use for charge. Excellent for myofascial release, warm up, and reducing muscle soreness and stiffness for a better recovery." - Hyperice Technologies