Read more Heating Elements Heated vest has 4 graphene fiber heating elements generating heat across core body areas. Warmth on Demand Easily switch between 3 heating settings with a press of the button. Up to 9 hours heating time. Machine Washable Heated vest has unique USB waterproof cover, better protect the internal circuit during the washing process. Read more Inner Battery Pocket Heated vest has a zipped inside pocket to hold the battery. Keep it from occupying your warm outer pockets. Intelligent Heating Button Easily switch between 3 heating settings with a press of the button. 4 Graphene fiber heating elements generate heat across core body areas. Waterproof Fabric Heated vest is waterproof and windproof, helping you to deal with extreme climates. Read more Read more Women's Heated Vest V-Neck Men's Heated Lightweight Vest Men's Heated Fleece Vest Men's Heated Puffer Jacket Men's Heated Jacket Soft Shell Men's Heated Vest Hooded Heating Areas 4 4 4 3 4 4 Detachable Hood ✓ ✓ ✓ Neck Heating ✓ ✓ ✓ ✓ Fleece Pockets ✓ ✓ ✓ ✓ ✓ ✓ Battery Included ✓ ✓ ✓ ✓ ✓ ✓ Color Black Black Black, Grey Black, Blue Black Black