About this item 【Certified Safety Assurance】Engineered to comply with multiple international safety standards, including IEC/UL 60335, UL 2054, IEC 62133, and UN38.3. Comes equipped with an ETL-certified charger (Type A plug) to ensure reliable and safe charging. 【Long-Lasting Warmth】Two 7.4V 2700mAh rechargeable batteries deliver up to 12 hours of warmth. Each pack supports more than 500 recharge cycles, giving you long-lasting performance season after season. 【Customizable Heat Levels】Choose from three temperature settings—Low (114–130°F), Medium (132–148°F), and High (150–160°F). Adjust the heat with a simple button press to match indoor comfort or outdoor protection. 【Comfort-Focused Strap System】The removable battery packs fit into soft, adjustable leg straps that stay secure and comfortable whether you’re working, hiking, or commuting in cold weather. 【For Comfort Use Only】Designed strictly for warmth and daily comfort. This product is not intended for medical use and does not provide therapeutic benefits.
See more product details See more product details