Battery: 3400mAh /12-volt Lithium-Polymer battery;

Size: S / M / L / XL / XXL;

nfrared heated vest is used a 4400 mAh lithium polymer battery, which can heat for a long time to keep warm.

heated vest waterproof jacket for the cold, with metal fiber composite wire as the heating material, powered by an external USB battery, can be heated at a constant temperature to keep warm.

Hest

Motorcycle Bicycle Heating Apparel