Korean Heat2Wear Smart Heating Vest - 2nd Generation, Warmth Retention, Essential for Winter, Ideal for Elderly

Features high-efficiency Japanese carbon fiber heating wires * Independently adjustable heating time, temperature, and position * 4 heating zones with 15 heating combinations * Patented smartphone app control * Emits far-infrared rays to promote blood circulation * Waterproof and washable * U.S., Japan, Canada, and Korean patented technology Touch Heating System * Upgraded heating system and controller * Leather-like switch buttons * Vest made of anti-static and water-resistant materials for safety and durability * Inner lining upgraded with Dupont Sorona bio-based synthetic down for enhanced eco-friendliness and insulation * Internationally patented certifications: Korean KIFA Far-Infrared Certification (KFI-1101), Korean KC Safety Certification (MSIP-REI-H2W-BL-800), China Far-Infrared Inspection Center