1Infrared heating, fast heating, good warm keeping effect. 2Intelligent temperature control, three gears temperature adjustable, enough to meet your different needs. 3Adopts high quality fabric, skin-friendly and breathable, waterproof design, make you feel comfortable to wear. 4Pockets on the front of the vest make it easier to place power bank and other items. 5Zipper design, beautiful and practical, make the effect of keeping warm better.