Medisana KM 100 cordless knee massager helps relieve stiffness tension and tired knees with a relaxing vibration massage and soothing heat function. Featuring five massage intensity levels and three heat settings it provides a personalised treatment experience for enhanced comfort and mobility. The lightweight cordless design with a rechargeable battery makes it easy to use at home or on the go while the included extension strap ensures a comfortable fit for a wide range of users.