Winter Keep Warm Vest Outdoor Unisex USB Polyester Electric Heating Smart Waistc

Feature: \n 1. Carbon fiber heating, good insulation, fast heating, washable, high\u2011quality craftsmanship, double\u2011layer integrated, easy to wear, no wrinkles.\n2. Density plus velvet, windproof and warmth, bright and smooth color, no lint, professional seaming technology, no thread off, firmness.\n3. Built\u2011in heating system adopts the most advanced heating technology, three\u2011speed intelligent heating, keep warm in cold weather.\n4. The outer material is viscose, not easy to snag, not easy to pilling, soft and skin-friendly, high temperature far infrared, skin-friendly, anti-static function, healthy care and comfort.\n5. Three levels of temperature adjustment, one\u2011button control, intelligent automatic constant temperature, obviously improve the human body temperature circulation, enhance human cell activity, promote metabolism, and improve human immune function.\n6. 8 heating zones and 3 temperature adjustments, 5 carbon fiber heating elements generate heat in t: