Smarkey Cordless Heated Jacket Carbon Fiber Electric Heating Clothing Male Jacket Thermal Clothing with 1PCS 5200mah Battery Anti-high-temperature, water-proof and wind proof Three heating zones on front and back Three sets (Blue, White, and Red) for Heat / Temperature setting 5200 mAh 7.4v Lithium Battery: portable and rechargable Can be used for Mountaineering, Climbing, Hiking or Outdoor working / sporting