BIKIGHT USB Charging Warm Hat Outdoor Cycling Heated Hat Winter Windproof Thickening Two-way Heating Cap

Specifications: Brand BIKIGHT Material Comfortable fleece fabric Battery parameters 2000ch / 3.7V Color Grey, red, blue Cap perimeter 64cm / 25.20inch Size One size Weight 430g Features: For the winter cold protection and outdoor riding and other design, it uses a flexible heating chip in two-way front and rear arrangement to forma double-sided heating environment. Rechargeable, multi-functional, multi-faceted care It is equipped with special safety polymer lithium battery for 4 hours constant temperature to keep warm. External thickening soft fleece fabric keep heat not lost. A variety of personalized wear methods, 3 colors are available to meet different needs. Package Includes: 1 x BIKIGHT USB charging cap