{"product_id":"hello-face-l1-neck-red-light-therapy-device-147-led-660nm-850nm","title":"Hello Face L1 Neck Red Light Therapy Device | 147 LED 660nm 850nm","description":"\n\u003ch2\u003eHello Face L1 – Wearable Neck Red Light Therapy Device\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHello Face L1\u003c\/strong\u003e is a portable, wearable LED light therapy wrap designed to bring professional-grade red light and near-infrared photobiomodulation to your neck — at home, in the office, or on the go. With \u003cstrong\u003e147 high-performance LEDs\u003c\/strong\u003e (660nm red + 850nm near-infrared), exclusive \u003cstrong\u003e10Hz \u0026amp; 40Hz pulse technology\u003c\/strong\u003e, and a built-in \u003cstrong\u003e3000mAh rechargeable battery\u003c\/strong\u003e, it delivers targeted warmth and deep relaxation wherever your day takes you.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhy You'll Love the Hello Face L1\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e147 High-Performance LED Chips\u003c\/strong\u003e — 49 PCS of 660nm visible red light targeting surface circulation, plus 98 PCS of 850nm near-infrared light for deeper muscle tissue warmth and cellular support.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 Intelligent Light Modes\u003c\/strong\u003e — Choose Continuous (steady therapeutic glow), 10Hz Pulsed (low-frequency muscle relaxation), or 40Hz Pulsed (higher-frequency deep tissue activation) to suit your session.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 Power Levels (L1 \/ L2 \/ L3)\u003c\/strong\u003e — Irradiance from 10 to 30 mW\/cm² so you can dial in exactly the right intensity for your comfort.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e6 Auto-Shutoff Timers\u003c\/strong\u003e — Select 5, 10, 15, 20, 25, or 30 minutes; the device switches off automatically so you can fully relax.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMemory Function Controller\u003c\/strong\u003e — Automatically restores your last used settings at start-up — no resetting required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBuilt-in 3000mAh Battery\u003c\/strong\u003e — Fully cordless for multiple sessions per charge; USB-C charging (use only 5V\/2A or 5V\/1A adapter).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHoneycomb Anti-Scalding Light Source\u003c\/strong\u003e — Even LED layout prevents hot spots, ensuring a gentle, comfortable warmth without skin irritation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCloud-Soft Ergonomic Design\u003c\/strong\u003e — Premium soft leather exterior with ultra-soft ice-silk spandex lining; lightweight and flexible, it cradles your neck without leaving pressure marks.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified\u003c\/strong\u003e — Meets European safety standards for peace of mind.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eLight Therapy Parameters\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n\u003cth\u003eMode\u003c\/th\u003e\n\u003cth\u003eLevel\u003c\/th\u003e\n\u003cth\u003eIrradiance\u003c\/th\u003e\n\u003cth\u003eWavelengths\u003c\/th\u003e\n\u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePhoton (Continuous)\u003c\/td\u003e\n\u003ctd\u003eL1 \/ L2 \/ L3\u003c\/td\u003e\n\u003ctd\u003e10 \/ 20 \/ 30 mW\/cm²\u003c\/td\u003e\n\u003ctd\u003e660nm Red + 850nm IR\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePulse 10Hz\u003c\/td\u003e\n\u003ctd\u003eL1 \/ L2 \/ L3\u003c\/td\u003e\n\u003ctd\u003e10 \/ 20 \/ 30 mW\/cm²\u003c\/td\u003e\n\u003ctd\u003e660nm Red + 850nm IR\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePulse 40Hz\u003c\/td\u003e\n\u003ctd\u003eL1 \/ L2 \/ L3\u003c\/td\u003e\n\u003ctd\u003e10 \/ 20 \/ 30 mW\/cm²\u003c\/td\u003e\n\u003ctd\u003e660nm Red + 850nm IR\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eFull Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Count:\u003c\/strong\u003e 147 total (49 × 660nm red + 98 × 850nm near-infrared)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnergy Density:\u003c\/strong\u003e 45 mW\/cm²\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e Built-in 3000mAh rechargeable\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRated Power:\u003c\/strong\u003e 5W\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCharging:\u003c\/strong\u003e USB-C (5V\/2A or 5V\/1A only)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTime Settings:\u003c\/strong\u003e 5–30 min (6 options)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Leather + Ice Silk Lycra + ABS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLamp Technology:\u003c\/strong\u003e Convex mirror + waterproof honeycomb matrix\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e CE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOrigin:\u003c\/strong\u003e Mainland China\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eWhat's in the Box\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × Hello Face L1 Device\u003c\/li\u003e\n  \u003cli\u003e1 × Remote Controller\u003c\/li\u003e\n  \u003cli\u003e1 × USB-C to USB-C Cable\u003c\/li\u003e\n  \u003cli\u003e1 × USB Cable\u003c\/li\u003e\n  \u003cli\u003e1 × User Manual\u003c\/li\u003e\n  \u003cli\u003e1 × Gift Packaging Box\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e⚠️ \u003cstrong\u003eCharging Warning:\u003c\/strong\u003e Use ONLY a 5V\/2A or 5V\/1A adapter. Do not use fast-chargers or higher-voltage adapters.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003ch3\u003eA Thoughtful Wellness Gift\u003c\/h3\u003e\n\u003cp\u003eElegantly gift-boxed and ideal for birthdays, the holiday season, or any occasion, the Hello Face L1 is a wellness gift that shows you truly care. Backed by a \u003cstrong\u003e1-year manufacturer warranty\u003c\/strong\u003e and over a decade of experience producing for leading US and EU light therapy brands.\u003c\/p\u003e\n\n\u003cp\u003eExplore more professional light therapy tools: \u003ca href=\"\/products\/792leds-510k-l7-large-red-light-therapy-led-panel-infrared-light-pad-human-pet-full-body-use-massage-relaxation-660nm-850nm\"\u003e792 LED Full-Body Red Light Therapy Panel – 660nm \u0026amp; 850nm\u003c\/a\u003e. Also check out our microneedling accessories: \u003ca href=\"\/products\/10pcs-dr-pen-q1s-hello-face-q2-cartridge-replacement-parts-nano-9pin-14pin-25pin-microneedling-pen-titanium-kit-0-25mm-needle\"\u003eDr. Pen Q1s \/ Hello Face Q2 Microneedling Pen Cartridge Replacement Parts\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003chr\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.nccih.nih.gov\/health\/massage-therapy-what-you-need-to-know\" target=\"_blank\" rel=\"noopener\"\u003eNIH on massage therapy\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What does the Hello Face L1 neck red light therapy device actually do?\u003c\/h4\u003e\n\u003cp\u003eA: The Hello Face L1 emits 660nm red light and 850nm near-infrared light directly onto the neck area. Red light supports surface-level circulation and skin wellness, while near-infrared light penetrates deeper muscle tissue to encourage warmth, relaxation, and cellular recovery. The optional 10Hz and 40Hz pulse modes add an extra layer of targeted stimulation to help ease muscle tension and fatigue.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long should each red light therapy session be, and how soon will I notice results?\u003c\/h4\u003e\n\u003cp\u003eA: Sessions can be set from 5 to 30 minutes using the built-in timer. For general daily wellness, a 10–20 minute session is common. Many users report feeling a soothing warmth immediately. More consistent, lasting benefits — particularly for deeper muscle relaxation and tissue recovery — are typically noticed after four to twelve weeks of regular use.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use the Hello Face L1 while doing other things?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. Thanks to its lightweight, wearable, cordless design and the 3000mAh battery, you can wear the Hello Face L1 while reading, watching TV, walking around the house, or even during a morning stretch. The memory function remembers your last settings, so starting a session is as simple as pressing one button.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Should I apply any creams or oils to my neck before using the device?\u003c\/h4\u003e\n\u003cp\u003eA: No — it is generally recommended to apply the device directly to clean, dry skin without any products beforehand. Oils or lotions can interfere with light penetration and may also affect the device's lining material over time.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What type of charger should I use with the Hello Face L1?\u003c\/h4\u003e\n\u003cp\u003eA: Only use a 5V\/2A or 5V\/1A USB adapter. Fast chargers or adapters with higher voltages should not be used, as they may damage the battery or internal electronics. The device comes with both a USB-C to USB-C cable and a standard USB cable for your convenience.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What does the Hello Face L1 neck red light therapy device actually do?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The Hello Face L1 emits 660nm red light and 850nm near-infrared light directly onto the neck area. 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