UT4 Extreme Rechargeable Hand Warmers

Stay warm and prepared with the UT4 Extreme Rechargeable Hand Warmers! With a powerful 10,000 mAh battery and extra heat mode function, enjoy up to 16 hours of warmth. Plus, it's shock proof and IP56 water resistant, making it perfect for outdoor adventures. Use it as a power bank to charge devices and even illuminate your path with the built-in flashlight. TSA Carry-on Approved for hassle-free travels.