Product Title:Electric Heating Knee Massager Far Infrared Joint Brace Support Vibrador Back Shoulder Massage Elbow Knee Treatment Massageador. 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 Net weight: 0.4kg 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 color: black 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 BeltDue 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.