USB Heating Insoles Electric Heating Foot Warmer Insoles,Spec: With CN Plug(36-37)

1. Usb models constant temperature 38-42 degrees Celsius (indoor plug-in heat, outdoor can be connected to the rechargeable treasure) standard with insoles + usb cable2. With power models thermostat 40-50 degrees Celsius (indoor plug-in heating, outdoor can be connected to a rechargeable treasure) standard with insoles + usb cable + adapter3. Thermoregulation models 20-60 degrees Celsius (indoor plug-in heating) standard with insoles + USB cable + thermoregulation charger4. Carbon fiber heating material, good heating effect can be directly washed5. Suitable for a variety of shoe models6. Voltage: 6V (5V)/2A7. Warm tip: charger output must be enough 2A current, below 2A will lead to no heat, or heating temperature does not reach the standard temperature