Product Description IP45 Waterproof: Strong resistance against water, perfect for various outdoor conditions. 3 Heating Levels: Adjustable warmth to meet your needs, with intelligent control for added safety. Ergonomic Design: Secure and cozy grip with an integrated wrist strap for added convenience. Optimal Heat Distribution: Ensures delightful handheld warmth for both hands. 6000mAh Battery: Provides 10-18 hours of battery life, ideal for extended outdoor use. Magnetic 2-in-1 Feature: Splits into two hand warmers or snaps into one for double-sided warmth. Quality Assured: UL certified for safety and reliability.