5200 mAh battery provides 4-8 hours of use with 2-3 hours of charging time. This will be the ideal companion to keep your hands toasty warm in winter.
Just press the button and instantly release the heat in 15 seconds. Keep your hands warm continuously for 4-8 hours. 3 temperature levels can be selected.
It's not just a hand warmer. It could be a power bank that charges your phone and other devices.
The palm-size hand warmer has a smooth edge. Dual heating helps increase energy efficiency.
The built-in protection circuit prevents the hand warmer from overcharging, overcurrent, and short circuit.