Vyper 2.0 – Strong, sleek, and durable, The Vyper 2.0 is the world’s most powerful vibrating fitness roller. Featuring all the traditional benefits of foam rolling amplified by three powerful speeds of vibration, the Vyper 2.0 changes the rolling game. BENEFITS – Accelerates warmup and recovery, Enhances muscle performance, Improves range of motion and flexibility, Reduces muscle soreness and stiffness. TECH FEATURES – Digital circuitry control, 3 speeds, Rechargeable lithium-ion battery (2+ hrs of use per charge), Dual zone exterior (smooth and grooved), Eco-friendly polypropylene foam, TSA approved for carry-on