No more cold hands with this double-sided handwarmer. Charge up via Micro-USB when you know youll be out in the cold, pop in your pocket and hold it when you need the comfort of warm hands. Not only does it provide warmth for your hands, but it also serves as a power bank with a 5200mAh capacity, allowing you to charge your phone or other devices on the go, adding convenience and versatility to your outdoor adventures or daily commutes. With three heating modes, you have control over the level of warmth provided, catering to your specific comfort needs and ensuring optimal temperature regulation in varying weather conditions. Featuring a temperature and power level display, you can easily monitor and adjust settings according to your preferences, providing a user-friendly experience that enhances your overall satisfaction and enjoyment of the product. mysmartbuy Rechargeable Smart Hand Warmer with 3 Modes & Power Bank Function in Blue