Features:-The heating element covers the entire toe area, stimulating blood circulation and ensuring warmth.-There are three temperature levels, 30℃, 40℃ and 50℃, to meet different usage requirements.-Very suitable for camping, ice fishing, hiking, skating, skiing and other outdoor activities.-It is an ideal gift for winter, suitable for family, friends, relatives, etc.-The included battery box is powered by AA alkaline batteries or 1.2V rechargeable AA batteries (capacity 1500mAh or higher).Note: use alkaline batteries only, regular carbon batteries or smaller rechargeable batteries will not provide sufficient power or heat.Specifications:Color: blackMaximum stretch size: 30*34*30cm (stretchable)Temperature: high: 50°C, medium: 40°C, low: 30&d.
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