Material: CottonHeating temperature: about 45℃working time: 1500mAh Battery about 2 hourProduct Power: Powered by the 4.5V DC battery compartment. Please choose 3AA batteries (not including batteries).Size: 14×150cm(width x Length)Keep you warm in cold weather; Good gifts for your colleagues, frinds and familyFor Many Occasions: Great to use for hunting, shooting, hiking, climbing, motorcycle, and paintball game.Packing List:1* Heated scarfReminder:1. All pictures have been professionally color-calibrated, but due to the different ambient light and different display device settings, there may be some deviations between the pictures and the objects you see. Please understand.2. The data is manually measured, there may be some deviations, but it does not affect the use.