Vibrating massager that provides warm or cool treatment for relief of muscle pain, tired muscles and for relaxing. It is great for back, neck, shoulder, arms and legs area? Featuring 2 speeds of vibration massage. Percussion / vibration massage helps improve circulation, promoting better oxygen flow to help relieve muscle pain and tension. Heat offers therapeutic relief from muscle aches and tension. Cold therapy soothes pain in joints and muscles while helping reduce swelling. Rechargeable massager charges for one hour to provide 45 minutes of massage. Cordless design makes the massager great for travel. Ergonomic, curved shape allows you to massage hard-to-reach areas with ease.