10000mah Rechargeable Neck Warmer,for Necks Up to 8 inches Wide, About 6 Hours Portable Neck Heater for Men and Women (White)

Free you Hands，fashionable and beautiful. Fourth gear adjustable. Soft silicon adjustable，more comfortable. Can be used as a portable charge. Heating takes only 5 seconds，Smart chips are safer. Great Gifts in Cold Winter Great Gifts in cold winter for Family, Friends, Parents, Brothers on Christmas, Birthday, Thanks Giving Day, Valentine’s Day and so on Warm Tips: How to use it？ Press the power button briefly to display the remaining battery level. Press and hold for three seconds to turn on heating, defaulting to the first level at 40°C. Press briefly again to increase to the second level at 45°C, and continue to operate in succession to reach 50°C / 55°C. What else needs special attention? Pls don't use it when the neck warmer is charging! For safety, pls do not use it when you sleep.. Pls don't use it when the neck warmer is charging!