Overview Manage rain, wind, snow, cold, and heat with the same piece of gear. iHood Heated vests are the perfect combination of warmth, comfort and style. The soft feel and modern fit of these great heated vests make them an absolute must-have this winter season. • Package include: Men's heated vest x1, Exclusive fashion bag x1, QC3.0 Battery pack x1, User manual x1. Features • ALL-AREA 3.0 Heating System • 3 Heating Areas Total 8 Heating Panels • Waterproof and Wind-resistant • Light-off Function • 100% Machine Washable • Supports up to 158°F, the lowest gear (122°F-133°F) is the highest gear of its kind. Thermal efficiency • Preheat mode: 3 seconds to reach maximum power • 8 Heating panels make up 3 heating Areas:C ollar and mid-back/ Left&right chest / L eft&right ear • Adjust 3 heating settings (High, medium, low) with just a simple press of the button • Heating temperature up to 158°F/70°C, 30% higher performance than similar products • Working times: Low: 8.5 hrs . Medium:6 hrs . High:4.5 hrs (All heating area working )