Quick warming: Hot compress to warm the knees. The knee heating massager has 3 temperature adjustments, low-grade 40c, mid-range 42c, high-grade 45c, heat energy penetrates the skin, accelerates blood circulation, dredges the meridians, and keeps the knees away from dampness and cold.Vibration massage: the leg massager has independent vibration and massage functions, a powerful vibration mechanism, which can massage comfortably and relieve joint and muscle tension. it has three gears: automatic, low-grade, and high-grade, which can be adjusted freely according to your own conditions.Ergonomic design: knee joint support belt has adjustable velcro, strong stickiness, retractable adjustment is not easy to fall off so that the knee pad is firmly fixed on the knee, the blue indicator light can let you know the power in real-time, the steady light is the machine start, flashing the battery is insufficient, and the breathing is charging, which is suitable for most people to use anytime and anywhere.One button startup operation: Large LED touch panel, intelligent control white light LED display, clear and easy operation, real-time control of massage status.Knee massager: built-in 11 infrared lights, directly to the inner knee, can effectively purify the impurities in body fluids and blood, make blood flow faster, alleviate knee discomfort, and bid farewell to knee pain.