Product Title:Electric Heating Knee Massager Far Infrared Joint Brace Support Vibrador Back Shoulder Massage Elbow Knee Treatment Massageador Description: 1.Comfortable vibration massage ease joint pain muscle stiffness and joint swelling. 2.Ergonomic for the knee shoulder and elbow design can be fixed on any joints. 3.Rechargeable lithium-ion battery makes for complete portability can provide on-the-go relief. 4.Selectable heat further releive knee joint shoulder joint and elbow joint. 5.Heat Therapy Magnetic therapy and Vibration Massage together work to promote comprehensive rehabilitation. 6.Auto programe for 10-minute 15-minute 20-minute. 7.Elastic neoprene material and adjustable straps fits different girths of legs or arms and maximizing comfort on skin.Fits girth of 18 inches or less. Specification: Rated voltage: 110v-240v Power: 12W Heating temperature: 45-55 degrees Temperature control range: 45-55 degrees Body care areas: knee pads leg protectors shoulder pads Product features: infrared magnetic therapy heating vibration. Product selling point Portable rechargeable Material fabric: Breathable Neoprene 4*Jade Stone Beads Controller gear position: three gear intelligent timing Function: 1.Relieve knee rheumatic arthritis 2.Accelerate muscle recovery 3.Alleviate muscle pain 4.Reduce heart rate 5.Increase flexibility 6.Improve circulation 7.Promote better sleep Package Included: 1 * Knee massage machine 1* EU/UK/US Plug (Optional) 1* Extension Belt Due to different measurement methods, please allow a measurement error of 2-3cm. Due to the problem of shooting tools and light, please allow the color difference between the picture and the product.