{"product_id":"osaki-duke-xl-4d-massage-chair","title":"Osaki Duke XL 4D Massage Chair","description":"\u003cstyle\u003e\n  .odxl { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #1a2a3a; max-width: 900px; margin: 0 auto; line-height: 1.6; }\n  .odxl * { box-sizing: border-box; }\n  .odxl h3 { font-weight: 700 !important; color: #0f172a !important; margin: 1.75rem 0 1rem; }\n  .odxl h4 { font-weight: 700 !important; color: #0f172a !important; margin: 1.5rem 0 0.5rem; line-height: 1.3; }\n\n  .odxl-hero-img { margin: 1rem 0; }\n  .odxl-hero-img img { width: 100%; border-radius: 8px; display: block; }\n\n  .odxl-spec-table { width: 100%; table-layout: fixed; border-collapse: collapse; font-size: 14px; margin: 1rem 0; }\n  .odxl-spec-table tr:nth-child(odd) { background: #f8fafc; }\n  .odxl-spec-table td { padding: 14px 16px; border: 1px solid #e2e8f0; vertical-align: top; }\n  .odxl-spec-table td:first-child { color: #64748b; width: 50%; font-weight: 700; }\n  .odxl-spec-table td:last-child { font-weight: 500; color: #0f172a; }\n\n  .odxl-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 1rem 0; }\n  .odxl-feat { background: #fff; border: 1px solid #e2e8f0; border-radius: 6px; padding: 0.9rem 1rem; }\n  .odxl-feat-title { font-weight: 700 !important; color: #0f172a !important; margin-bottom: 0; display: flex; align-items: center; gap: 7px; line-height: 1.3; }\n  .odxl-feat-title::before { content: \"\"; display: inline-block; width: 7px; height: 7px; border-radius: 50%; background: #2563a8; flex-shrink: 0; }\n  .odxl-feat p { margin: 0.4rem 0 0; font-size: 14px; color: #334155; }\n\n  .odxl-warranty-tiles { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin: 1rem 0; }\n  .odxl-warranty-tile { background: #e8f0fa; border: 1px solid #bfd4ef; border-radius: 8px; padding: 16px 12px; text-align: center; }\n  .odxl-warranty-tile .odxl-w-main { font-size: 18px; font-weight: 900; color: #2563a8; line-height: 1; margin-bottom: 4px; }\n  .odxl-warranty-tile .odxl-w-label { font-size: 12px; font-weight: 600; color: #1e3a5f; text-transform: uppercase; letter-spacing: 0.04em; }\n\n  .odxl-divider { border: none; border-top: 1px solid #e2e8f0; margin: 1.75rem 0; }\n\n  @media(max-width: 900px) {\n    .odxl-grid { grid-template-columns: 1fr; }\n    .odxl-warranty-tiles { grid-template-columns: 1fr; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"odxl\"\u003e\n\u003ch2 style=\"text-align: center;\"\u003e\u003ciframe width=\"560\" height=\"315\" src=\"https:\/\/www.youtube.com\/embed\/Iksmdz-iSLc?si=Tbn8xIB4SLrmxM2C\" title=\"YouTube video player\"\u003e\u003c\/iframe\u003e\u003c\/h2\u003e\n\u003ch2\u003eOsaki Duke XL 4D Massage Chair\u003c\/h2\u003e\n\u003cp\u003eMost massage chairs cramp tall, broad, or heavier users. The Duke XL is built around an oversized, reinforced-steel frame that supports users up to 400 lbs and heights up to 6'8\", with an extended backrest, widened armrests, and roomy calf wells - the frame that fits when standard chairs leave your shoulders boxed in or your calves hanging off the end.\u003c\/p\u003e\n\u003cdiv class=\"odxl-hero-img\"\u003e\u003cimg src=\"https:\/\/robinchoi00.github.io\/Product\/DukeXL\/images\/1.dukeXL_main_image.png\"\u003e\u003c\/div\u003e\n\u003cp\u003eIts 4D mechanism is what separates it from a 3D chair: the rollers vary depth, rhythm, and speed in real time, so the massage adapts as it works instead of running a single fixed intensity, tracking the spine along an SL-Flex track that reaches from the neck and shoulders down through the upper glutes. An AI-powered Intelligent Health Detection system reads heart rate, heart rate variability, blood oxygen, microcirculation, and fatigue level, then tunes the session to what your body is actually carrying that day, while automatic body scan technology maps your unique contours so the rollers align to your spine rather than a generic average.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0767\/1690\/0634\/files\/qwqw.png?v=1788547616\" alt=\"\" style=\"display: block; margin-left: auto; margin-right: auto;\"\u003e\u003c\/p\u003e\n\u003cp\u003eLower-body recovery gets real attention here: 14 air cells and 4 calf bumpers work the calves together, three specialized foot rollers stimulate the soles with reflexology-style ridges, and a spring-loaded footrest extends up to 7 inches to fit taller frames. Layer in 48 total air cells for full-body compression, a heating shawl delivering targeted warmth (about 75–83°F) to the lumbar and feet, and a zero-gravity recline that lifts the legs above heart level to ease spinal pressure. Choose from 20 auto programs and 5 manual modes on the touchscreen controller, and finish with Bluetooth speakers, a USB-C charging port, LED ambient lighting, and convenient shortcut panels - all wrapped in a frame purpose-built, not just upscaled, for bigger and taller bodies.\u003c\/p\u003e\n\u003chr class=\"odxl-divider\"\u003e\n\u003c!-- SPECIFICATIONS --\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable class=\"odxl-spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRoller System\u003c\/td\u003e\n\u003ctd\u003e4D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrack Type\u003c\/td\u003e\n\u003ctd\u003eSL-Flex Track\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal Air Cells\u003c\/td\u003e\n\u003ctd\u003e48\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCalf Massage\u003c\/td\u003e\n\u003ctd\u003e14 Air Cells + 4 Calf Bumpers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFoot Rollers\u003c\/td\u003e\n\u003ctd\u003e3 Specialized Rollers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuto Programs\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManual Modes\u003c\/td\u003e\n\u003ctd\u003e5 (Knead, Knock, Tap, Knead \u0026amp; Tap, Shiatsu)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHeating Zones\u003c\/td\u003e\n\u003ctd\u003eLumbar \u0026amp; Feet (~75–83°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFootrest Extension\u003c\/td\u003e\n\u003ctd\u003eUp to 7\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHealth Detection\u003c\/td\u003e\n\u003ctd\u003eHeart Rate, HRV, Blood Oxygen, Microcirculation, Fatigue\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBody Scan\u003c\/td\u003e\n\u003ctd\u003eAutomatic Roller Positioning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eController\u003c\/td\u003e\n\u003ctd\u003eTouchscreen + Shortcut Panels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAudio\u003c\/td\u003e\n\u003ctd\u003eBluetooth Speakers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCharging\u003c\/td\u003e\n\u003ctd\u003eUSB-C Port\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAmbient Lighting\u003c\/td\u003e\n\u003ctd\u003eLED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions Standing (W x L x H)\u003c\/td\u003e\n\u003ctd\u003e35\" x 60\" x 45\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions Reclined (W x L x H)\u003c\/td\u003e\n\u003ctd\u003e35\" x 67\" x 37\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShoulder Width\u003c\/td\u003e\n\u003ctd\u003e26\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeat Width\u003c\/td\u003e\n\u003ctd\u003e23\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMinimum Door Width\u003c\/td\u003e\n\u003ctd\u003e35\" Assembled \/ 28\" Disassembled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWall Clearance (Reclined)\u003c\/td\u003e\n\u003ctd\u003e12\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum User Weight\u003c\/td\u003e\n\u003ctd\u003e400 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFits Heights To\u003c\/td\u003e\n\u003ctd\u003e6'8\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChair Weight\u003c\/td\u003e\n\u003ctd\u003e325.6 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e110–120V, 50\/60Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Dimensions (Box 1)\u003c\/td\u003e\n\u003ctd\u003e32.3\" x 49.2\" x 51.2\" — 239.86 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Dimensions (Box 2)\u003c\/td\u003e\n\u003ctd\u003e20.5\" x 65\" x 32.3\" — 104.7 lbs.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e5-Year Total (3-Year Standard + Free 2-Year Extended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr class=\"odxl-divider\"\u003e\n\u003c!-- FEATURES --\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cdiv class=\"odxl-grid\"\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eSize-Accommodating Chair\u003c\/div\u003e\n\u003cp\u003eA reinforced steel frame supports users up to 400 lbs, with an extended backrest fitting heights up to 6'8\" and widened armrests and calf wells for broader frames.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003e4D Massage Mechanism\u003c\/div\u003e\n\u003cp\u003eRollers vary depth, rhythm, and speed in real time, adapting the massage as it works instead of running one fixed intensity throughout.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eIntelligent Health Detection\u003c\/div\u003e\n\u003cp\u003eReads heart rate, heart rate variability, blood oxygen, microcirculation, and fatigue level, then tunes the session to your body in the moment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eSL-Flex Track System\u003c\/div\u003e\n\u003cp\u003eHolds a fixed angle to the backrest and follows the body from the neck and shoulders down to the upper glutes for a deeper stretch than a rigid track allows.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eDeep Calf Massage\u003c\/div\u003e\n\u003cp\u003eFourteen air cells and four calf bumpers work the lower legs together, driving blood through tired calves after long days on your feet.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eZero Gravity Reclining\u003c\/div\u003e\n\u003cp\u003eReclines into a single balanced position that raises the legs above heart level and distributes body weight evenly, easing spinal pressure.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eBody Scan Technology\u003c\/div\u003e\n\u003cp\u003eScans your back and maps its contours before a program starts, positioning the rollers to your spine rather than a generic average.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003e48-Cell Air Compression Massage\u003c\/div\u003e\n\u003cp\u003eAir cells throughout the shoulders, arms, calves, and feet apply rhythmic compression to support circulation and reduce muscle fatigue.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eHeating Shawl Therapy\u003c\/div\u003e\n\u003cp\u003eDelivers targeted warmth (about 75–83°F) to the lumbar and feet, and lifts out to drape over the chest and abdomen as well.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003e20 Auto Programs\u003c\/div\u003e\n\u003cp\u003eA library of pre-programmed routines - including Stretch, Muscle, Spine, Neck \u0026amp; Shoulder, and Sports Recovery - for instant, goal-specific sessions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003e5 Manual Modes\u003c\/div\u003e\n\u003cp\u003eTake direct control with Knead, Knock, Tap, Knead \u0026amp; Tap, and Shiatsu techniques for a fully customized massage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003e3 Specialized Foot Rollers\u003c\/div\u003e\n\u003cp\u003eReflexology-style ridges stimulate the soles, with adjustable roller speed to control intensity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eSpring-Loaded Extendable Footrest\u003c\/div\u003e\n\u003cp\u003eExtends up to 7 inches for optimal foot positioning and full contact with rollers and air cells, regardless of height.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eTouchscreen Controller\u003c\/div\u003e\n\u003cp\u003eAn intuitive touchscreen puts every program, intensity setting, and target zone within easy reach.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eLED Lighting Detail\u003c\/div\u003e\n\u003cp\u003eAmbient LED lighting adds a modern, relaxing atmosphere to the chair's design.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eConvenient Shortcut Panels\u003c\/div\u003e\n\u003cp\u003eArmrest-mounted shortcut panels give quick access to key functions without reaching for the remote.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eUSB-C Charging Port\u003c\/div\u003e\n\u003cp\u003eA built-in USB-C port keeps your devices powered throughout your massage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-feat\"\u003e\n\u003cdiv class=\"odxl-feat-title\"\u003eQuality Bluetooth Speakers\u003c\/div\u003e\n\u003cp\u003eConnect your device to enjoy music, podcasts, or calming audio during your session.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003chr class=\"odxl-divider\"\u003e\n\u003c!-- WARRANTY --\u003e\n\u003ch3\u003eWarranty\u003c\/h3\u003e\n\u003ch4\u003e5-Year Total Warranty (3-Year Standard + Free 2-Year Extended)\u003c\/h4\u003e\n\u003cdiv class=\"odxl-warranty-tiles\"\u003e\n\u003cdiv class=\"odxl-warranty-tile\"\u003e\n\u003cdiv class=\"odxl-w-main\"\u003e3-Year\u003c\/div\u003e\n\u003cdiv class=\"odxl-w-label\"\u003eStandard Parts \u0026amp; Labor\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"odxl-warranty-tile\"\u003e\n\u003cdiv class=\"odxl-w-main\"\u003e+2-Year\u003c\/div\u003e\n\u003cdiv class=\"odxl-w-label\"\u003eFree Extended Parts \u0026amp; Labor\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003eOsaki guarantees that your qualified product will be repaired or replaced, at its option and without cost to you, should it be deemed defective due to faulty parts, workmanship, or structural defects during the covered warranty period, excluding the limitations detailed in the full warranty terms. The Duke XL ships with its standard 3-year parts-and-labor coverage plus a complimentary 2-year extended warranty included at no additional cost, for 5 years of total coverage. This is a non-transferable manufacturer's warranty and is valid within the 48 contiguous United States and Canada.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Osaki","offers":[{"title":"Default Title","offer_id":52783548498202,"sku":"Duke XL","price":6999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0767\/1690\/0634\/files\/duke-xl-4d-black-5785669_1195x1071_7f53f0c4-443e-47aa-bd1b-cd8477d75a3b.png?v=1788383575","url":"https:\/\/mediriser.com\/products\/osaki-duke-xl-4d-massage-chair","provider":"Mediriser","version":"1.0","type":"link"}