The Mobile Warming Bluetooth enabled 12volt Endeavor Duck Down Heated Vest is designed for the active lifestyle. It has classic down vest look, performance features and is constructed of a light-weight 100% Nylon Outer Shell with ultra-warm Duck Down core. Designed for hikers, climbers, or anyone who spends long periods in cold weather, the Endeavor Vest has 500-fill 85/10 duck down core that allows for free movement during even the most rigorous outdoor activity. The Ridge features plenty of pockets for storage and includes a stow bag to keep your vest packed away and ready for when you need it. The Endeavor Vest is heated with our Far-Infrared heating system to keep you warm in those cold conditions. The Endeavor is powered by our all new 12volt Lithium-Ion battery, includes a USB port to charge your mobile devices and a powerful built-in LED flashlight. Like all our 12volt systems the Endeavor has large heating elements, two on the back and two on the chest. The chest heat zones run all the way down to the zippered hand pockets for added warmth.Features:Lightweight 100% Nylon Outer Shell650 Fill 90/10 Duck Down Core100% Polyester Inner LinerZippered Hand-Warmer PocketsZippered Interior Chest PocketHook & Loop Interior PocketWaist Drawstring Cinch ClosureStow-Away Carry BagMulti-Zone Heat Elements, 2x Chest, 2x Hand Pockets, & 2x BackBluetooth Enabled Wireless ControlMW Connect Mobile App CompatibleIntegrated Touch Control Button4 Selectable Heat Settings12volt Rechargeable Lithium-Ion BatteryUp to 11 Hours of Power Per ChargeCharge Time: 4hoursAvailable in SM, MD, LG, XL, XXL & 3XLIncludes:(1) Endeavor Vest(1) Stow-Away Bag(1) 12V 5200mAh Lithium-Ion Battery(1) AC ChargerThe Endeavors Far-Infrared Heating System can provide heating temperatures ranging from 135F on high to 90F on low. On high, expect up to three hours of heat, and on low, the Ridge can heat up to 11 hours! The Endeavor Vest has two ways to adjust the temperature. First, the built-in touch control button. With a simple button push, you can select from four heat settings. Second, weve incorporated Bluetooth control with our MW Connect app. Through the MW Connect app, you can quickly toggle through all connected Mobile Warming devices and adjust individual heat levels to your liking. MW Connect allows you to get real-time updates on battery levels and update your garments when new firmware becomes available. The Endeavor comes as a complete package with a battery, charger, and stow bag. The Endeavor Heated Vest provides instant heat when the weather turns cold, keeping you outdoors and enjoying your favorite activity.