This smart roller is uniquely versatile and ergonomically contoured to the back, spine and neck. What it Does: Five powerful vibration frequencies and high-traction wave grooves work to deliver just the right angles of pressure to areas in need—releasing soreness, reducing tension and improving movement. Additional Features: The Wave Duo's contoured shape comfortably applies pressure to the peaks and valleys of the back muscles on either side of the spine. It is very quiet with a noise-dampening silicone outer shell. The Bluetooth®-connected device also features 200 minutes of battery life. Includes: Wave Roller Carrying case USB-A to USB-C cable Approx. 7" x 3.9" x 2.6"; 2.6 lbs.
