Experience warmth and comfort with our advanced Five-Finger Back Heating Gloves, perfectly crafted from polyester for durability and flexibility. Each set includes a pair of electrically-heated gloves, two DC battery boxes (batteries not included), and a versatile USB cable. Easily connect the gloves to a USB extension cable to draw power from a standard power bank's 2A port, or conveniently use a 5V, 2A mobile phone charger. Engineered to deliver a comfortable heat range of 50-60 degrees at room temperature, these gloves prioritize your warmth. For optimal performance, utilize high-quality AA alkaline batteries, or rechargeable AA batteries (1.5V, capacity over 1500MAH) within the three-slot AA battery boxes. Ideal for those chilly days, our heated gloves promise to keep your hands toasty, whether you're venturing outdoors or simply seeking relief from the cold.