Enjoy a full day of warm comfort with these heated socks. They are designed to be lightweight and breathable, equipped with a 7.4V 3000mAh battery and APP control functionality. They have 3 adjustable temperature settings, each charge can provide up to 10 hours of warmth. Let every day be filled with cozy warmth, just like having a portable heater by your side. Make the most of your wonderful winter times.