FeatureName: Electric mobile phone warm bag Material: flannel Fit for :4-7 inch screen phonesProduct introduction:This is an antifreeze phone bag,built-in heating chip, thick double velvet bag, double zipper can be closed design.Need to add a charging treasure to heat it. The heating zone and the power supply zone are separated by a thick insulation layer and an air layer. When the surface of the mobile phone is heated, the temperature of the charging treasure area is not too high, The battery is also better played. Double-sided heating, warm hands and warm mobile phone, so that in the cold winter, customer can chat, take pictures, play games and so on freelyColororange, black Packagewith retail boxElectric mobile phone warm bag*1