The CuPiLo Knee Massager for Pain Relief – CPL-5530 offers personalized knee relaxation with 3 vibration modes, 3 heat levels, plus infrared and laser light combinations to help relieve joint pain, swelling and stiffness after work, workouts or housework. Its soothing heat ranges from 105℉ to 140℉, working together with light therapy for deeper pain relief, while a 10-minute auto-shutoff and overheat protection ensure safe use. Ergonomically designed to fit most knees, it features adjustable straps that can also be used on elbows and shoulders. Weighing just 1.9 lb and fully cordless, this knee massager runs up to 5 hours on a full charge, making it easy to use at home, in the office, in bed or on the go. Simple indicator lights, three buttons and an LED display make it especially user-friendly for elders, making it a thoughtful gift choice for seniors, parents and friends who need everyday knee comfort.