ORORO Women's Heated Fleece Vest with Battery Pack (Gray,S)

This upgraded battery is 40% smaller than the ORORO standard battery and the 7.4V Output allows the heated apparel heat up rapidly Built with ultra-thin carbon nanotube heating elements to produce heat evenly and continuously, warming up your core body without adding bulkiness. Mock-neck collar and elastic hem provides extra protection from the wind and seal the heat. Easy for mix and match. Using over a long-sleeved shirt on chilly fall days or layering under a jacket for cold commutes and epic ski days makes it a perfect multi-use layer. Three carbon fiber heating elements generate heat across core body areas (left & right-hand pockets, upper back). Adjust three heating settings (High, medium, low) with just a simple press of the button. Heat quickly in seconds with 7.38V UL/CE-certified battery. USB port for charging smart phones and other mobile devices.