Rechargeable Battery Designed for Heated Apparel Enjoy up to 10 hours of long-lasting warmth (3 hrs on high, 6 hrs on medium, 10 hrs on low heating setting) thanks to the increased capacity of the 5200 mAh, which deliver performance equal...

Specification Foldable US plug with a compact design 100V-240V worldwide voltage (100V-240V/ac) Input: 100-240V-50/60Hz 0.3A; Output: 5V/2A UL & CE certified Suitable for 5200 mAH rechargeable battery Please charge 10 hours at least for the first time usage