NWT Aunroaa iHeat Women's Heated Black Jacket Slim Fit Coat with 14400 mAh Battery Pack and Comfortable Hood Product details About this item Fabric type Cashmere,Wool Care instructions Machine Wash Origin Imported Country of Origin China About this item Soft Teflon coated nylon exterior with wind and waterproof TPU layer and breathable polar fleece lining ensure you do not lose any excess heat and enjoy comfortable warmth; YKK zipper and 4 pockets (1 arm pocket, 2 hand pockets, and 1 inner hand pocket) 【AMAZING HEATING MATERIAL - GRAPHENE】Most heating jackets use carbon fiber, Ours iHeat women's heated jackets use Graphene. It is proven that graphene is an excellent conductor of heat and electricity. 【10 SECONDS FAST HEATING SYSTEM】iHeat heated jackets for women are a total of 4 heating pads in the jacket, 2 are at the front located on the lower chest of each side, and the other 2 are at the back located on the neck and lower back. Heating Pads Can be Controlled Separately by Three Button, 10s. Adjustable 3 heating levels temperature for 104°F, 122°F, and 131°F. 【ULTRA LIGHT SMART CHARGING POWER PACK】The heated jacket is powered by an external power pack (with 14400 mAh capacity, which lasts 10 hours on low, 7 hours on medium, and 4 hours on high) via a USB cable located inside the hand pocket on the cool inner side. 2USB ports for charging smartphones and other mobile devices. Still actively sold on Amazon for reference and reviews. I ship fast!