Name: Heated InsolesVoltage/Current: 5V/2ASurface material: super soft fleeceBottom material: EVAProduct weight: 130gHeating temperature: 104-122Insole thickness: 4 mmCarbon fiber heats up and ensures a warm winter.Using high quality carbon fiber heating wire, high heating temperature, long service life and can be bent and washed.- Release infrared with almost the same frequency as the human body's far infrared--Ultra high thermal conductivity, quick heating in 10 seconds-- hot, but not dry--Ultra-high electrothermal conversion efficiency, saves electricity--5V low voltage, no risk of electric shockSoft fluffThe surface is made of high-density super soft fleece, super long fleece, soft and comfortable, long-lasting heat retention and keeps you dry.USB power supply, use in multiple scenesAmong the various power supply methods, we use the most widely used USB power supply method in life, and most mobile phone chargers support its use. In addition, when used in the office, it can also be connected to the USB port of the computer to use the computer to power the computer. What to do if the above two outdoor options are not available? Yes, it can be powered by a power bank. This range of flexible power supply methods makes it possible to use the product in multiple scenarios: watching TV, working or even outdoor activities.. it can be used in almost all scenarios.The energy crisis continues, let's keep the winter warm with minimal energy consumption...Fine workmanship: super soft fabric, soft and comfortable, quick heating, warm and dry3 modes: the insole has three heating modes, USB interface, power supply and mobile power supply. The standard output of the heating pad is 5V.2A. If your charger does not output 2a, it may not generate heat.High-quality material: crystal super soft fabric, carbon fibre heating material, which keeps the warm insole quickly heated, warm, soft and skin-friendly, breathable and dry.Note: The heated insole can be washed with water and keeps the charging interface dry. It can be used for leather shoes, sports shoes, snow boots, etc. to keep your feet warm all winter.