Ergonomically designed to provide comfortable treatment for the back, spine and neck, this portable smart vibrating roller is a uniquely versatile rolling solution. Five powerful vibration frequencies and innovative wave texture work to deliver just the right angles of pressure to areas in need releasing soreness, reducing tension, and improving movement. The textured wave grooves add traction control and works the muscle with varied angles of pressure. The hypo-allergenic textured silicone is ideal for noise dampening and a smooth, quiet roll. Connect to the Therabody app via Bluetooth and discover guided warm-up and recovery routines specifically tailored to your needs. USB-C enabled, the Wave Duo offers an easy charging solution after the 2 hours of long-lasting battery life is used. From shape to material to added vibration, the Wave Duo is scientifically calibrated to elevate your rolling experience. Included with your Wave Duo is a USB-A to USB-C cable and a protective carrying pouch.