Bullet points:1, for outdoor activities: carbon fiber heating technology, durable warmth. Suitable for outdoor activities in severe cold climates such as mountaineering to prevent frostbite on the neck in low-temperature climates.2, Large area heating: large area heating, warm but not hot, hot but not dry, versatile and fashionable.3, comfortable and skin-friendly: inner layer plus velvet design, comfortable and skin-friendly, plush, warm keep.4, Wool knitted fabrics: knitted wool fabrics, washable, harmless and skin-friendly, highly elastic and anti-wrinkle.5, Safe and durable: washable, safe and durable, worry-free and labor-saving, electricity leakage protection design, easy to use. Specification: Name: heated neck wrapSize: any sizeColor: black/red/grey/camel Material: acrylic/faux woolWeight: about 180g Power: 6W Voltage: 5V Temperature: 65 deg; Cable length: About 80cm/31.5inPacking List:Heated neck wrap * 1Note: This product does not include a power bank.