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 5-minute, 10-minute, 15-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:Color: blackRated voltage: 110v-240vPower: 12WHeating temperature: 45-60 degreesTemperature control range: 45-60 degreesBody care areas: knee pads, leg protectors, shoulder padsProduct features: infrared, magnetic therapy, heating, vibration. Product selling point Portable, rechargeableMaterial fabric: Breathable NeopreneController gear position: three gear intelligent timingFunction:1.Relieve knee rheumatic arthritis2.Accelerate muscle recovery3.Alleviate muscle pain4.Reduce heart rate5.Increase flexibility6.Improve circulation7.Promote better sleepPackage Included:1* Knee massage machine1* UK/US/EU Plug