Hand warmer 10000 mah electronic heating rechargeable power bank, portable usb charger pocket shoe warmer, indoor and outdoor skiing, climbing hiking

-2-in-1 handwarmer: the large-capacity rechargeable 10000 mah battery provides long-lasting warmth for up to 12 hours. At any time it also acts as a backup battery for your usb devices.
-3 heat settings: press the switch and immediately release the heat for you, you can adjust the operating temperature up to 131 * f (95-107 ~ f / 104-118 ~ f / 118-131 ~ f) for plenty of heat to keep your hands warm in colder weather.
-convenient comfort: dezhuan hand warmer?made of high-tech aircraft aluminum and abs material, soft and comfortable surface, portable and compact and non-slip in one hand, it can also be easily put in your pocket or stay fixed in your glove.
-safe and easy to use: a button to control the temperature, click to switch to warm hands. Optimized and upgraded circuit guarantees its long life, providing protection from overcharge, overheating and short circuit.
-perfect gift: instant heating makes it ideal for camping, skiing, snowboarding, hiking or any outdoor recreation in the cold season. Dezhuan hand warmer keeps you and your lover warm this cold season! It is the best winter gift on christmas valentine's day or other special occasions