- Versatile Large Capacity: Equipped with a powerful 5000mAh battery, this portable hand warmer not only keeps you warm but also serves as a reliable mobile power source. Charge your phone during outdoor activities, emergencies, or while commuting. - Customizable Comfort: Choose from three adjustable temperature settings: 50℃~60℃ for intense warmth, 40℃~50℃ for moderate heat, and 35℃~40℃ for a gentle touch. Tailor the warmth to your personal preference for maximum comfort. - Smart Temperature Regulation: Featuring an intelligent temperature control system, the hand warmer automatically adjusts to maintain the perfect heat level, ceasing heating once it reaches 60℃. Enjoy peace of mind with safe, worry-free operation. - User-Friendly Design: Designed for simplicity, the pocket heater operates with a single button. Easily turn it on or off by pressing and holding the power button, making it accessible for all users. Practical Use Scenarios: - Outdoor Adventures: Perfect for hiking, camping, or skiing, providing warmth on chilly days while also keeping your devices charged. - Daily Commute: Ideal for use during your daily travels, ensuring you stay cozy and connected while on the go. - Emergency Preparedness: A dependable companion during unexpected power outages, allowing you to keep warm and charge essential devices. Experience the convenience and comfort of our portable hand warmer, designed to meet your needs in various situations.