Personalize Your Recovery: Experience personalized therapy with the intelligent touchscreen control. Effortlessly adjust 3 vibration intensities, 5 red light therapies and a 10Hz pulse mode to suit your needs. Customize your massage or recovery sessions at your fingertips for ultimate relaxation and comfort Rechargeable & Portable: The cordless knee braces for knee pain built with a 2800mAh battery which can provide 1-2 hours of cordless operation(Varies depending on environment and intensity settings), free yourself from the constraints of cords.Cordless & portable design allowing to have red light therapy session wherever you want,such as home,office even in travel,ensuring a super convenient experience Chase Away Joint Discomfort:Transform your daily routine with the innovative cordless knee massager with heat and red light therapy to improve circulation and stimulate cellular regeneration of tissue, effectively relieve joint fatigue,stiffness and pain,crafted to pamper and rejuvenate your knee,shoulder and elbow, speed up recovery, this infrared healing light therapy is your go-to companion for a pain-free lifestyle Designed For Multiple Body Parts: Adjustable two additional extension straps allow the knee pain relief to fit comfortably on knees, elbows and shoulders, enjoy full-body relaxation, free from pain We offer 1-year worry-free warranty and effortless returns or refund, please feel free to reach out to us for any questions or concerns, we will give you a satisfactory solution