1. Product: The rechargeable hand warmer uses lithium battery function, which has three advantages, large capacity, more environmental protection and recycling, and it can be charged for 3 hours, and it can keep warm for 8 hours under normal conditions.
2. Health: Electric heating is good for health, it can promote blood circulation and accelerate metabolism.
3. Appearance: The rechargeable hand warmer has a small and exquisite appearance, which can become one of the fashionable weapons in winter.
4. Convenience: The rechargeable hand warmer can be used as a power bank to charge various digital products, and it is also very convenient to carry.