Therabody Wave Duo Smart Vibrating Roller - curved for your back, neck, and spine. WAVE DUO 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. From shape to material to added vibration, the Wave Duois scientifically calibrated to elevate your rolling experience. ERGONOMIC SHAPE Curved design to comfortably apply pressure to the unique curvature of your low-mid back, upper body, neck, and more. TEXTURED WAVE GROOVES Adds traction control and works the muscle with varied angles of pressure. Hypo-allergenic textured silicone also provides noise dampening and a smooth, quiet roll. 5 VIBRATION SETTINGS Vibration settings can be adjusted to your comfort level to help release soreness, reduce tension, and improve movement. BLUETOOTH CONNECTIVITY Connect to the Therabody app via Bluetooth and discover guided warm-up and recovery routines specifically tailored to your needs. EASY CHARGING The Therabody Wave Duo Smart Vibrating Roller is USB-C enabled for easy charging, giving you a total of 200-minutes battery life. Accessory List: Wave Duo, Protective carrying pouch, USB-A to USB-C cable Massager Type: Handheld Power Type: Battery Curves around spine to safely target muscles 5 customisable vibration frequencies Innovative wave texture for maximum traction Smart device with Bluetooth® connectivity 200 minutes of battery life Quiet with noise dampening silicone