Intelligent Touchscreen Control: Effortlessly customize your therapy with Intelligent Touchscreen Control. Adjust 3 vibration levels, 5 red light modes, and a 10Hz pulse mode.<br>Red Light Therapy Benefits: Leverage the advantages of 660nm red light for enhanced skin appearance, collagen stimulation, and accelerated wound healing. Simultaneously, the 850nm near-infrared light penetrates deeply, promoting muscle recovery and relieving joint pain.<br>Cordless, Portable, and Adaptable: 2500mAh type-c rechargeable battery for cordless use. Free yourself from the constraints of cords with power controller, provides 1-2 hours of wireless operation. It's not only portable but also adjustable, allowing use on various body parts, including elbows and shoulders, with the included 25-inch extension belt.<br>Revolutionary Heated Vibration Massage: Elevate your relief experience with our knee massager, offering a unique three-level vibration and heat therapy for deep tissue massage. Designed with five heating zones, it effectively addresses various knee pains, including joint discomfort, runners' knees, and post-exercise soreness.<br>Perfect Gift with Assurance: Gift the joy of health with our versatile knee pad for your loved ones. Enjoy peace of mind with our one-year product guarantee, ensuring effortless returns, and a lifetime of dedicated customer support. If you ever have concerns or questions about red light knee therapy, 24/7 online service is here to provide satisfactory assistance.