Clinical trials have shown the Kneease pain relief system reduces the pain of osteoarthritis.Now recommended by many doctors. Kneease allows pain relief on demand without the need for drugs and with no harmful side-effects. By introducing a precise frequency of vibration, Kneease blocks the pain signals at their source.Wear your Kneease under clothes in the day or at night and press the button relief at any time. Developed by a leading consultant orthopaedic surgeon, the Kneease system is a proven, effective treatment for knee pain.Contents includes pain relief module, fully adjustable knee support, instructions and batteries.