VolteX Heated Vest keeps you warm through its advanced heating technology. It has built-in heating elements strategically placed in key areas, like the chest and back, that generate heat when activated. When you turn the vest on, the heating system starts working instantly, delivering a comfortable level of warmth. The heat is adjustable, so you can control how much warmth you need based on the environment and your personal comfort. The vest's fabric is designed to trap and retain heat, helping to keep you warm even in cold or windy conditions. The battery can last up to 8 hours on a single charge, offering long-lasting warmth throughout your day. , VolteX Heated Vest keeps you warm through its advanced heating technology. It has built-in heating elements strategically placed in key areas, like the chest and back, that generate heat when activated., Amazon.com: voltex heated vestCheck each product page for other buying options. Price and other details may vary based on product size and color..