{"product_id":"knee-massager-with-heat-and-red-light-therapy-660-850nm-cordless-fsa-hsa","title":"Knee Massager with Heat and Red Light Therapy, 660\u0026850nm, Cordless, FSA\u0026HSA","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e60-LEDs High Density Matrix: Engineered for targeted knee care, this red light therapy for knee device stands out with 60 premium tri-chip (2*660nm+1*850nm) LEDs, delivering a higher optical power density than standard 20-30 bead pads. The dense arrangement ensures uniform light coverage over the entire knee cap, maximizing light absorption to support deep tissue recovery and alleviate joint stiffness effectively\u003c\/li\u003e\n\u003cli\u003e660nm \u0026amp; 850nm Dual Spectrum Technology: Combines the power of 660nm Visible Red Light for surface soothing and 850nm Invisible Near-Infrared Light for deep muscle penetration. This synergistic approach helps energize cells and soothe deep-seated tension. This infrared light knee wrap tailors your therapy session with 5 intensity levels (P1-P5) delivering a powerful irradiance of 13-75 mW\/cm at 0-inch\u003c\/li\u003e\n\u003cli\u003eEnhanced Absorption with Heat \u0026amp; Vibration: To maximize the benefits of this red light knee brace, we integrated 3 adjustable heating levels (113F-131F) and 3 vibration modes (4 motors). The gentle warmth helps improve and create an optimal environment for light energy absorption, while the soothing vibration helps relax tight muscles and reduce stiffness during the session\u003c\/li\u003e\n\u003cli\u003eAdjustable Fit \u0026amp; Versatility: Designed with a flexible, soft material, this red light knee wrap features a secure 3-strap system that fits knee circumferences up to 22 inches (55cm) without slipping. This knee massager with heat and red light therapy can easily adapt to knees, calves, and arms, delivering targeted relief whether you're easing post-workout soreness, reducing stiffness from long hours of sitting, or supporting daily recovery\u003c\/li\u003e\n\u003cli\u003e5000mAh Battery \u0026amp; Touch Display: This rechargeable red light knee massager ensures steady optical output and long-lasting usage. Features a 30-minute auto-off timer for safe, consistent use. The modern LED touch screen makes operation effortless-no small buttons to fumble with, making it easy-to-use for seniors, athletes, and long-standing\/sitting workers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse for:\u003c\/strong\u003e Arm, Calf, Knee\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e Battery Powered\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Neoprene\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eItem Weight:\u003c\/strong\u003e 0.53 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Fittyfun\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Dimensions ‏:\u003c\/strong\u003e ‎ 8.66 x 5.67 x 3.19 inches; 1.17 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDate First Available ‏:\u003c\/strong\u003e ‎ January 19, 2026\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer ‏:\u003c\/strong\u003e ‎ Linyi Yuyao Electronics Trading Co., Ltd.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eASIN ‏:\u003c\/strong\u003e ‎ B0GHN455MS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBest Sellers Rank:\u003c\/strong\u003e #80,739 in Health \u0026amp; Household (See Top 100 in Health \u0026amp; Household)\n#241 in Light Therapy Products\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustomer Reviews:\u003c\/strong\u003e 4.3 \n4.3 out of 5 stars\n   (29)\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Fittyfun","offers":[{"title":"Default Title","offer_id":67594773528744,"sku":"B0GHN455MS","price":97.18,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0764\/0907\/7928\/files\/41nBdS1suyL.jpg?v=1790947230","url":"https:\/\/runelvia.com\/products\/knee-massager-with-heat-and-red-light-therapy-660-850nm-cordless-fsa-hsa","provider":"Runelvia","version":"1.0","type":"link"}