Infrared Hot Joint MassagerMulti-function: provide vibration and heating for your joints. It can be used for your knees, shoulders.Ergonomic for the knee, shoulder and elbow design, can be fixed on any of the joints.One powerful motor: massage the muscle and joint. Release the pain.Bamboo carbon fabric: release naturally far infrared.Emit far infrared radiation deep into the subcutaneous tissue. Accelerate blood circulation. Move the harmful substance.Wireless and rechargeable: The built-in 2000mAh battery makes it easy to use even on the road.Enjoy massage and hot physical therapy while doing other activities like cooking, walking, even resting..Use USB data cable (note that the product does not include USB data cable)Selectable heat further relieve knee joint, shoulder joint and elbow joint, Comfortable vibration ease joint pain, muscle stiffness and joint swelling.Easy to operate: 3 simple buttons include , heating and timing. and heating can be used not only individually but also together. Heating function up to 55°C in 10 minutes. With safe overheat protection design, can choose 5 minutes, 10 minutes, 15 minutes of automatic shutdown.Note: Effective for the patients who suffer from Rheumatoid Arthritis and other Arthritis.Also effective for sport injury, relieves pain in the cold or humid environment.Effective for protecting joint of those who stand long or stay in AC for long periods.Four health advantages: acupoint , high frequency vibration, magnet , infrared hot compress.Material:ABS Plastic and high grade clothCharged and heated kneepad massagerBuilt-in battery: 2000mAhRated voltage: 100V-240VCharging time: 2-3 hoursPower: 12WTemperature control range: 45-55 degrees.