This 5200mAh power bank and hand warmer is a reliable portable power source for outdoor activities in winter. With a fully charged battery, it can provide 4-8 hours of heat for your hands or charge your phone 2-3 times.

You can choose from 3 temperature levels by clicking the power button. This hand warmer heats up quickly in 3 seconds and has a built-in overheat protection chip for safe and comfortable use.

The compact design is made of durable and wear-resistant aluminum, making it easy to carry in your pocket or backpack. The rechargeable battery is convenient and can be charged through a USB-C cable connected to a power bank, laptop, car charger, or other devices.

This hand warmer is perfect for outdoor activities like camping, hiking, skiing, and more. It's also great for everyday use, such as keeping hands warm in cars, offices, and homes during winter.