{"product_id":"portable-neck-fan-100-speed-tec-cooling-4000mah-usb-rechargeable","title":"XMSJ Portable Neck Fan 100-Speed TEC Cooling 4000mAh USB","description":"\u003ch2\u003eXMSJ Portable Handheld \u0026amp; Neck Fan – 100-Speed Adjustable Cooling with TEC Technology\u003c\/h2\u003e\n\u003cp\u003eStay refreshingly cool wherever you go with the \u003cstrong\u003eXMSJ Portable Air Cooling Turbo Handheld Fan\u003c\/strong\u003e. Featuring \u003cstrong\u003e100 adjustable wind speeds\u003c\/strong\u003e, dual ice-porcelain conductors, and TEC superconducting cold aluminum technology, this compact fan drops temperature by up to \u003cstrong\u003e16°C in seconds\u003c\/strong\u003e — delivering powerful, whisper-quiet cooling at your fingertips. Whether you're commuting, working outdoors, or relaxing at home, this fan keeps you comfortable without disturbing those around you.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e100 Wind Speed Settings\u003c\/strong\u003e – Fine-tune your airflow from the gentlest breeze to a powerful cool blast.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTEC Superconducting Cooling\u003c\/strong\u003e – Cold aluminum cooling plate reduces surface temperature by up to 16°C in seconds for instant, refreshing comfort.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Ice-Porcelain Conductor\u003c\/strong\u003e – Enhanced cooling performance for a more powerful, consistent chill.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHands-Free Wearable Design\u003c\/strong\u003e – 90-degree adjustable neck-hang lets you wear it like a necklace, freeing both hands while staying cool.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-Angle Air Supply\u003c\/strong\u003e – Directs airflow from multiple angles for broader, more comprehensive coverage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4000mAh Large Battery\u003c\/strong\u003e – Long-lasting rechargeable battery for extended use throughout your day.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUSB Rechargeable\u003c\/strong\u003e – Simply plug into any USB port or power bank to recharge (5V \/ 10W).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLED Display\u003c\/strong\u003e – Clear real-time speed and battery level readout at a glance.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3 Wind Modes\u003c\/strong\u003e – Choose from Natural Wind, Sleep Wind, or Prevailing Wind to match your environment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUltra-Quiet Operation\u003c\/strong\u003e – Enjoy cooling without noise disturbance in offices, libraries, or public spaces.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWater-Shortage Power-Off Protection\u003c\/strong\u003e – Built-in safety mechanism for worry-free operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE, RoHS \u0026amp; UL Certified\u003c\/strong\u003e – Meets international safety and quality standards.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eXMSJ\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10W\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5V (USB)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBattery Capacity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4000mAh\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFan Speeds\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e100 adjustable levels\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWind Modes\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNatural, Sleep, Prevailing\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE, RoHS, UL\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eExplore More Comfort Products\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1-percent-better-every-day-motivational-canvas-wall-poster-inspirational-quote\"\u003e\"1% Better Every Day\" Motivational Canvas Poster | Wall Art\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/best-seat-in-the-house-retro-quote-canvas-wall-art-print\"\u003e\"Best Seat In The House\" Retro Quote Canvas Wall Art Print\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eFor more information on staying safe in hot weather and the benefits of personal cooling devices, visit the \u003ca href=\"https:\/\/www.cdc.gov\/extreme-heat\/index.html\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eCDC's Extreme Heat Safety Guidelines\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: How does the TEC cooling technology work in this portable neck fan?\u003c\/h4\u003e\n\u003cp\u003eA: The fan uses TEC (Thermoelectric Cooling) superconducting cold aluminum technology, which rapidly transfers heat away from the cooling plate, dropping its surface temperature by up to 16°C in seconds. When held near or worn around your neck, it delivers a refreshing, cool sensation without water or ice.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How long does the 4000mAh battery last on a single charge?\u003c\/h4\u003e\n\u003cp\u003eA: Battery life varies depending on your chosen fan speed and wind mode. At lower speed settings, the 4000mAh battery can provide several hours of continuous use. Higher speeds and the active TEC cooling feature will draw more power. Charging is done conveniently via a standard USB cable (5V).\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this fan while it's charging?\u003c\/h4\u003e\n\u003cp\u003eA: Yes, the fan supports both USB-powered and battery-powered operation. You can plug it into a USB power source and use it simultaneously while it charges, giving you uninterrupted cooling.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this fan suitable for use in quiet environments like offices or libraries?\u003c\/h4\u003e\n\u003cp\u003eA: Absolutely. The XMSJ portable fan is designed for ultra-quiet operation, making it ideal for use in offices, libraries, classrooms, and other public spaces where you need to stay cool without creating noise disturbance.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What certifications does this fan have?\u003c\/h4\u003e\n\u003cp\u003eA: This fan is CE, RoHS, and UL certified, meeting international safety and environmental standards for consumer electronics.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"How does the TEC cooling technology work in this portable neck fan?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The fan uses TEC (Thermoelectric Cooling) superconducting cold aluminum technology, which rapidly transfers heat away from the cooling plate, dropping its surface temperature by up to 16°C in seconds. 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